Website updates & news...
01 Jul 2022 - 737 Head Up Display video released
15 Jun 2022 - Aerodynamic Drag Reduction System ADRS-1 gets its FAA STC for the 737-700
19 May 2022 - Final report published into the heavy landing of 737-400F, G-JMCY, at Exeter on 19th Jan 2021
14 May 2022 - YR-BMM 737-800 heavy landing & tailstrike at Naples
12 May 2022 - Rudder pedal AD issued for 737 NG & MAX
27 Apr 2022 - USAF to replace its E-3 fleet with the E-7 from 2027
22 Apr 2022 - AD issued for 737-800 E&E Bay sealant
19 Apr 2022 - 737 FMC Video released
23 Mar 2022 - Former Boeing 737 MAX technical pilot found not guilty of wire fraud in Texas trial
21 Mar 2022 - Details of 737-800 B-1791 operated by China Eastern Airlines accident en-route from Kunming to Guanghzou.
19 Mar 2022 - Photo added of Blue Air 737 MAX 8, YR-MXE.
03 Mar 2022 - This video covers the CVR, FDR, ELT, LF-ULB, DFDAU and QAR on the 737. It also discusses the use of ACMS data within an airline and how hard landings are measured.
24 Feb 2022 - 737-1-900 5G AD issued
18 Feb 2022 - 737 Tailskid & tailstrikes video released
09 Feb 2022 - 737 SFP video released
04 Feb 2022 - 737-800, N817SY, has suffered a RH MLG failure after take-off from Las Vegas. The MLG collapsed on landing, no injuries.
23 Jan 2022 - Winglets video released
19 Jan 2022 - UK AAIB issue an "Anniversary Statement" with an update on their investigation into the hard landing of G-JMCY 737-400F at Exeter in Jan 2021.
18 Jan 2022 - 737-1/2/3/4/500 fuselage crown skin panels fatigue damage AD issued
18 Jan 2022 - 737CL fuselage frame splice cracking AD issued
17 Jan 2022 - MAX 8200 photo added to gallery
12 Jan 2022 - Wings video released
11 Jan 2022 - 737NG PSU & life vest panel AD issued
05 Jan 2022 - 737-400 Caspian Airlines MLG collapse on landing at Isfahan, Iran
03 Jan 2022 - 737NG Performance Improvement Package video released
28 Dec 2021 - 737-200 Stall warning AD issued
19 Dec 2021 - Flaps and Slats video released
14 Dec 2021 - Aviation Safety Whistleblower Report released following MAX MCAS accidents
07 Dec 2021 - E & E Bay video released
02 Dec 2021 - Chinas CAAC issues an AD detailing requirements for operators to resume MAX operations
16 Nov 2021 - MAX Differences video released
15 Nov 2021 - AD issued prohibiting various FCC software due to reports that the A/P did not capture or track the glideslope correctly.
14 Nov 2021 - Book extensively updated, now including much of the material from the videos
13 Nov 2021 - MAX -7 and -10 flight test update
13 Nov 2021 - An update on the MAX synthetic AoA and stick shaker inhibitor
09 Nov 2021 - 737NG AD issued for cracking of the webs of the aft pressure bulkhead
02 Nov 2021 - The fuselage and nose section including the CVR and FDR of the Rhoades Aviation 737-200C off Hawaii have been recovered
28 Oct 2021 - Details of 737-800, PH-HXG, operated by Transavia, wheel fire after landing and evacuation at EHAM
25 Oct 2021 - Doors video released
23 Oct 2021 - Details of 737-300SF, PK-JRB, operated by Jayawijaya Dirgantara Airlines overrun runway 30 after landing at Jayapura, Indonesia (WAJJ) on 22 Oct 2021.
14 Oct 2021 - Final report issued into OB-2036-P, 737-300 of Peruvian Airlines, which suffered a MLG shimmy and gear failure on landing at Jauja, Peru on 28 Mar 2017.
06 Oct 2021 - PSEU video released
01 Oct 2021 - 737-400F EI-STM, operated by ASL Ireland, Stab trim failure and flap jam on 7 Jul 2021.
30 Sep 2021 - NTSB sending a search vessel to find and recover the Transair 737-200 that ditched off Hawaii in July 2021
28 Sep 2021 - Eco Demonstrator update
19 Sep 2021 - NGS video released
17 Sep 2021 - Former Boeing Tech Captain to be indicted for misleading regulators over MCAS according to WSJ
11 Sep 2021 - Final report issued into Air India Express 737-800, VT-AXH, overrun after landing at Kozhikode
06 Sep 2021 - Singapore ungrounds the MAX
02 Sep 2021 - Malaysia ungrounds the MAX
31 Aug 2021 - Fuel systems video released
26 Aug 2021 - India ungrounds the MAX
23 Aug 2021 - 737-200C lands with side cargo door open - video footage
18 Aug 2021 - Footage of a 737-800 tyre failure whilst landing without antiskid
18 Aug 2021 - AD issued for 737-800 & 900ER ViaSat In-Flight Connectivity (IFC) System
12 Aug 2021 - Flight controls pitch video released
11 Aug 2021 - Max to start flight testing today in China for ungrounding
09 Aug 2021 - 737 MAX aft cargo compartment fire suppression AD issued
05 Aug 2021 - Final report published into N732MA, Miami Air 737-800, overrun at Jacksonville
04 Aug 2021 - SAIB issued for 737NG thrust reversers
30 Jul 2021 - FAA AD issued for MAX engine cowl spring door opening system
29 Jul 2021 - Flight controls Yaw video released
16 Jul 2021 - FAA AD issued for checks on cabin altitude pressure switches, 737-1-900 series
14 Jul 2021 - Flight controls Roll & Speedbrake video released
10 Jul 2021 - Photos of N810TA submerged released by NTSB
02 Jul 2021 - 737-200C N810TA, operated by Rhoades Aviation in Transair colors, ditches in sea off Honolulu, Hawaii
30 Jun 2021 - United orders 200 MAX
29 Jun 2021 - Hydraulics systems video released
23 Jun 2021 - FAA issue new MAX AD mandating replacement of the fuel quantity processor unit
25 Jun 2021 - FAA issue new 737-1/2/3/4/500 AD requiring HFEC inspections at L & R STA 540 bulkhead splice angle
23 Jun 2021 - FAA issue new MAX AD mandating 3 repetitive checks to the stab trim system
22 Jun 2021 - Hydraulics - Wheel-well tour video released
18 Jun 2021 - First flight of the MAX -10
17 Jun 2021 - FAA issue CANIC for functional checks during maintenance to the 737 MAX digital flight control system, stabilizer trim, and the primary and secondary aisle stand stabilizer.
16 Jun 2021 - Landing gear guided tour video released
16 Jun 2021 - First MAX 8200 delivered
15 Jun 2021 - FAA AD issued on the 737 NG NGS
10 Jun 2021 - Fire Protection systems video published
03 Jun 2021 - Dutch Safety Board warning to check aircraft returning to service after storage
02 Jun 2021 - P-8A Poseidon video published
30 May 2021 - First BBJ MAX-8 redelivered by Jet Aviation
27 May 2021 - Boeing to pay $17 million in FAA settlement over MAX/NG slat track sensors
26 May 2021 - Ice and Rain protection video published
21 May 2021 - Boeing to increase the MAX production rate
19 May 2021 - Preliminary report issued into 737-500, 5N-SYS, operated by Azmaan Air multiple tire burst on landing at Lagos, Nigeria on 16 Feb 2021
19 May 2021 - Boeing has resumed deliveries of the MAX following approval of a fix for the electrical grounding issue
19 May 2021 - 737 Classic autothrottle computer issues video published
19 May 2021 - Landing Gear video published
18 May 2021 - A/T flap synchro wire on 737 Classics AD issued
15 May 2021 - FAA requiring checks within 250hrs or two months on A/T flap synchro wire on 737 Classics
13 May 2021 - MAX electrical bonding SB approved by FAA and issued
11 May 2021 - Powerplant video published
05 May 2021 - Preliminary report issued into 737-400SF, PK-YSF, operated by Trigana Air Service engine failure and main landing gear collapse whilst landing at Jakarta Halim, Indonesia.
05 May 2021 - MAX electrical bonding issues update
05 May 2021 - LEAP-1B AD issued to address storage-induced corrosion issues
04 May 2021 - DC & Standby Electrics video published
01 May 2021 - New Gravel Runway presentation. Covering all aspects of gravel and unpaved runway operations on the 737. Including Landing surface requirements, External modifications, Flight deck controls & indications, Operational procedures and limitations.
30 Apr 2021 - FAA issue AD for MAX electrical bonding issue
28 Apr 2021 - Boeing Earnings Q1 2021 Call Transcript - 737 Items
26 Apr 2021 - AC Electrics video published
23 Apr 2021 - 737-1/2/3/4/500 skin cracking AD issued
22 Apr 2021 - The NTSB has opened an investigation docket into N732MA Miami Air 737-800 overrun into St Johns River on 3rd May 2019
21 Apr 2021 - MAX electrical bonding issues discussed
21 Apr 2021 - 737NG crew oxygen mask stowage box units AD issued
20 Apr 2021 - DoT Initiated an Audit of FAA's Oversight of Boeing 737 MAX Return to Service
20 Apr 2021 - New 737 APU presentation released
20 Apr 2021 - The Indian DGCA announced that 737 Max will be allowed to overfly Indian airspace but no commercial arrivals or departures will be allowed.
20 Apr 2021 - 737-900ER MLG electrical connector corrosion AD issued
13 Apr 2021 - New 737 Pressurisation presentation released
06 Apr 2021 - New 737 Air Conditioning presentation released
05 Apr 2021 - 737-200 Pitot heat AD issued by the FAA
31 Mar 2021 - MAX -8200 certified by the FAA
30 Mar 2021 - New 737 pneumatics presentation released
20 Mar 2021 - Boeing change Engine Fire Drills, in-flight and on-ground.
20 Mar 2021 - 737-400SF, PK-YSF, operated by Trigana Air Service main landing gear collapse whilst landing at Halim Perdanakusuma Airport, Indonesia.
18 Mar 2021 - New 737 MAX differences presentation released
18 Mar 2021 - Final report published into UR-PSR Ukrainian Airlines 737-800 shot down in error by Iranian SAMs after take-off from Tehran IKA airport 8 Jan 2020
16 Mar 2021 - Final report published into VP-BPS, 737-500 operated by UT Air that landed short of the runway at Usinsk on 9 Feb 2020.
14 Mar 2021 - Germany approved to buy five P-8A Poseidons
14 Mar 2021 - Final report published into OO-JAY 737-800 tailstrike on landing at Marrakech 2 May 2018
08 Mar 2021 - More details on the changes to the MCAS/FCC software
05 Mar 2021 - My latest presentation “A detailed look at MCAS on the 737 MAX”
25 Feb 2021 - US DoT have published their report into FAA oversight of the MAX certification
23 Feb 2021 - 737NG bear strap cracking AD issued
23 Feb 2021 - 737NG SOB slot sealant AD issued
23 Feb 2021 - P-8A to get upgraded radar, the new Raytheon AN/APY-10
23 Feb 2021 - 737NG & MAX AD to address cracked or completely severed lugs in the upper aft corner stop fitting assembly of the forward entry door
17 Feb 2021 - Boeing issue FOTB on the prevention of aircraft upsets
17 Feb 2021 - The UAE authorises the 737 MAX to fly again in UAE airspace.
10 Feb 2021 - Preliminary report issued into 737-500 PK-CLC of Sriwijaya Air that crashed into the Java Sea
06 Feb 2021 - Link to my presentation to the RAeS on the 737 MAX and MCAS story
05 Feb 2021 - Tata Boeing Aerospace Limited to Manufacture 737 Vertical Fin Structures in Hyderabad, India
03 Feb 2021 - MAX-10 deliveries delayed until 2023
31 Jan 2021 - My presentation to the RAeS on the 737 MAX and MCAS story 4 Feb 2021 at 18:30GMT
27 Jan 2021 - EASA declares Boeing 737 MAX safe to return to service in Europe
21 Jan 2021 - Discussion on hard landings
19 Jan 2021 - West Atlantic 737-400F G-JMCY heavy landing & possible W/O at Exeter
18 Jan 2021 - Transport Canada issue their ungrounding AD for MAX
13 Jan 2021 - Preliminary report issued into 737-400, ZS-OAF Safair which suffered a depressurisation whilst climbing out from Cape Town, South Africa on 22nd Nov 2020.
09 Jan 2021 - 737-500 PK-CLC of Sriwijaya Air has crashed into the Java Sea
07 Jan 2021 - Boeing to pay $2.5 billion to settle US Justice Department investigation and admits that employees misled regulators about the safety of the MAX
06 Jan 2021 - 737-500, EY-560, Air Djibouti landing accident at Garowe, Somalia. Preliminary report issued.
30 Dec 2020 - A description of 737 storage issues
29 Dec 2020 - Summary of changes in legislation following the 737 MAX accidents
26 Dec 2020 - 737-700, VQ-BIP operated by Yakutia overran the runway after landing during snow at Vnukovo, Russia on 25th Dec 2020
23 Dec 2020 - 737-1/2/3/4/500 center wing box cracks inspection AD issued
23 Dec 2020 - Latest FAA TCDS Rev 66 updated 9 Nov 2020 available here
22 Dec 2020 - Details of Lion Air 737-900ER PK-LGP Runway excursion after landing at Bandar Lampung, Indonesia on 20th Dec 2020.
21 Dec 2020 - 737-1/2/3/4/500 fuselage skin panel cracking AD issued
19 Dec 2020 - The Senate Committee on Commerce, Science, and Transportation, has released the Committee’s investigation report on the FAAs Safety Oversight
18 Dec 2020 - Transport Canada announce MAX ungrounding AD to be issued in Jan 2021.
16 Dec 2020 - The two (Senate & House) US legislative bills explained
13 Dec 2020 - The NTSB have issued their final report into N766SW uncontained engine failure and loss of pressurisation on 27 Aug 2016.
06 Dec 2020 - The South African CAA have issued their final report into the Stab out of trim incident to 737-800, ZS-SJD, operated by Mango on 2 Sep 2019.
04 Dec 2020 - Ryanair orders 75 Boeing MAX 8200s in largest order since grounding
02 Dec 2020 - 737-500, EY-560, operated by Air Djibouti has suffered left main landing gear collapse at low slow during the landing roll at Garowe, Somalia. No injuries.
27 Nov 2020 - The Nigerian AIB have published their final report into the runway excursion involving Boeing 737-500, 5N-BLG at Lagos on 9th April 2016.
26 Nov 2020 - Stall warning system page added
25 Nov 2020 - Full details of the changes to the MCAS system and assoiated procedures & training are detailed here.
24 Nov 2020 - EASA have issued a proposed AD 20-184 cancelling the ‘suspension of flight operations‘ The affected Boeing 737-8 and 737-9 aeroplanes can be returned to service, provided that the required actions proposed in this PAD have been accomplished.
20 Nov 2020 - The Ukrainian NBAAI have published their final report into the runway excursion and nosegear collapse of 737-800, TC-JGZ operated by Turkish Airlines at Odessa on 21 Nov 2019.
20 Nov 2020 - 737 MAX ungrounding conditions AD issued
20 Nov 2020 - 737-800BCF details added
18 Nov 2020 - FAA rescinds the MAX grounding order
18 Nov 2020 - Stab Trim Runaway procedure changes again
08 Nov 2020 - Final report issued into HS-KMC, 737-400F, K-Mile Asia at Singapore, main gear torsion link failure on landing on 5 Jun 2019.
04 Nov 2020 - The Nigerian AIB have published their final report into the runway excursion involving Boeing 737-200, 5N-BIG at Port-Harcourt International Airport on 14th July, 2008.
03 Nov 2020 - Proposed new Runaway Stabiliser procedure added
07 Oct 2020 - The FAA have issued draft Flight Standardization Board Report FSBR B737 Rev 17 for comments by 2 Nov 2020.
07 Oct 2020 - Enhanced Vision Systems page added
26 Sep 2020 - MAX to get a third AoA source
24 Sep 2020 - 737NG FQIS AD issued
16 Sep 2020 - The House Committee on Transportation & Infrastructure published its final report on the Design, Development, and Certification of the Boeing 737 MAX
11 Sep 2020 - Final report issued into Safair, 737-400, ZS-DMI, smoke in the cockpit event whilst climbing en-route to OR Tambo, South Africa on 19 Dec 2019
11 Sep 2020 - JOEB to conduct a multi-day simulator session in London from 14 Sep 2020 for MAX checklist & memory items.
10 Sep 2020 - GAMECO and Boeing have jointly announced that a second 737NG freighter conversion line will be built in Guangzhou
07 Sep 2020 - EASA begins MAX validation flight tests from Vancouver.
25 Aug 2020 - FAA issue AD for 737CL PSUs
11 Aug 2020 - AD issued for all CFM56 powered 737's to address engine bleed air 5th stage check valves being stuck open
07 Aug 2020 - 737-800, VT-AXH, operated by Air India Express has overrun runway 10 after landing and fell down a ravine at Kozhikode, India.
04 Aug 2020 - The FAA issue NPRM to supersede Airworthiness Directive (AD) 2018-23-51 to unground the MAX
03 Aug 2020 - The FAA have issued a 96-page Return to Service Preliminary Study for the MAX
27 Jul 2020 - The UK CAA amended Safety Directive SD 2019/001 for the 737 MAX, to introduce the possibility for managed ferry flights
24 Jul 2020 - Emergency AD issued for all CFM56 powered 737's to address engine bleed air 5th stage check valves being stuck open
21 Jul 2020 - Boeing issue FOTB "737 MAX Return to Service Operational Readiness Flight"
23 Jul 2020 - 737 Classic nacelle fatigue cracking AD issued
17 Jul 2020 - PEMCO B737-700FC (FlexCombi) gains FAA STC
15 Jul 2020 - MAX Kathon FP 1.5 Biocide AD issued today
06 Jul 2020 - MAX Operational Readiness Review flight tests to commence soon
02 Jul 2020 - FAA maps out remaining tasks to lift the MAX grounding order
29 Jun 2020 - Boeing & FAA commence a 3-day certification flight test program for the MAX
25 Jun 2020 - FAA issue MAX engine nacelle and strut electrical bonding AD
25 Jun 2020 - Boeing asked by regulators to consider further design enhancements to the MAX
19 Jun 2020 - Final report published into West Atlantic 737-400 G-JMCR electrical failures in-flight at Brussels on 4 Jun 2019
16 Jun 2020 - Gameco Inaugurates Boeing 737-800 Freighter Conversion Line
11 Jun 2020 - MAX MMEL post-MCAS fixes Revision 2 changes detailed
05 Jun 2020 - 737-400SF, N733CK, opertaed by Kalitta Charters II has overrun the runway following an RTO at Rochester, New York on 5 Jun 2020.
04 Jun 2020 - Aircraft Safety Improvement Act proposed to mandate SMS by manufacturers and consideration of HF by FAA.
29 Apr 2020 - Investigation launched into Boeing’s compliance with MAX production regulations
23 Nov 2020 - 737 Technical Guide printed and EPUB versions updated
08 Apr 2020 - MCAS test flight delayed by a month due to Coronavirus
31 Mar 2020 - More P-8A Sales
30 Mar 2020 - Final report released into 737-800, VH-VUH Virgin Australia failure of the #1 main wheel assembly whilst taxying at Brisbane on 4 Jan 2017.
21 Mar 2020 - Final report published into the runway excursion on landing of Belavia, 737-300, EW-336PA, at Kiev on 12 July 2019
13 Mar 2020 - Preliminary report issued on TC-IZK Pegasus 737-800 runway excursion on landing at Istanbul 5 Feb 2020
09 Mar 2020 - Interim Investigation Report published into Ethiopian MAX-8 MCAS accident of 10 March 2019
06 Mar 2020 - The House Committee on Transportation & Infrastructure today published its Preliminary Investigative Findings on the 737 MAX Costs, Consequences, and Lessons from its Design, Development, and Certification.
27 Feb 2020 - Preliminary report issued into Safair, 737-400, ZS-DMI, smoke in the cockpit event whilst climbing en-route to OR Tambo, South Africa on 19 Dec 2019
25 Feb 2020 - PK-YSG, 737-300SF, Trigana Air Service, MLG collapse whilst taxying at Jayapura, Indonesia
05 Feb 2020 - TC-IZK Pegasus 737-800 runway excursion on landing at Istanbul
22 Jan 2020 - Final report published into UT Air 737-800 VQ-BJI runway excursion after landing at Sochi 01 Sep 2018
22 Jan 2020 - Revised preliminary report issued into the shooting down of UR-PSR at Tehran
19 Jan 2020 - MCAS - Special Committee investigation into FAA Certification of MAX report released
17 Jan 2020 - 737NG left temperature control valve and control cabin trim air modulating valve AD issued
10 Jan 2020 - Emails released discussing MAX differences from NG and differences to reduce certification and training impact
08 Jan 2020 - Ukrainian Airlines 737-800 shot down in error by Iranian SAMs after take-off from Tehran IKA airport |
THE BOEING 737 TECHNICAL SITE
