Back to home pageTHE BOEING 737 TECHNICAL SITE

Created by Chris Brady Sept 1999

Contents

Illustrated technical information covering Vol 2 Over 800 multi-choice systems questions Study notes and technical information Close up photos of internal and external components A compilation of links to major 737 news stories with a downloadable archive Illustrated history and description of all variants of 737 Detailed tech specs of every series of 737 Databases and reports of all the major 737 accidents & incidents General flightdeck views of each generation of 737's Description & news reports of Advanced Blended Winglets Press reports of orders and deliveries A collection of my favourite photographs that I have taken of or from the 737 Details about 737 production methods A compilation of links to other sites with useful 737 content History and Development of the Boeing 737 - MAX A quick concise overview of the pages on this site

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Introduction

Welcome to the Boeing 737 Technical Site. Here you will find technical, operational, and training notes; articles and photos contributed by 737 pilots and engineers from around the world.

All of the information, photographs & schematics from this website and much more is now available in a recently updated 374 page  printed book or in electronic format.

Feel free to use anything here for your own personal use. If you are an organisation then please contact me for licence to use any of the images. Please note that I have a library of many thousands of technical images in high resolution.

Please treat your company FCOMs as the final authority in case your aircraft have differences. This website and the 737 Technical Guide have no connection to the Boeing Company.

If you have any suggestions or corrections to any of the information here, please email them on to me and I will write them into the site for the benefit of other visitors.

Follow the Boeing 737 Technical Site on social media using the links on the right to be notified of any updates.

This site uses cookies to personalise ads, to provide social media features and to analyse traffic. It therefore also shares information about your use of the site with social media, advertising and analytics partners. See details

See more details about the book

All of the information, photographs & schematics from this website and much more is now available in a 374 page printed book or in electronic format.

*** Updated 18 Apr 2020 ***

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Website updates & news...

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

18 Apr 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 - Ukranian Airlines 737-800 shot down in error by Iranian SAMs after take-off from Tehran IKA airport

30 Dec 2019 - Two new 737 ADs issued

18 Dec 2019 - The last 737NG will be delivered in Dec 2019

17 Dec 2019 - Boeing to suspend production of the MAX until recertification

16 Dec 2019 - New 737CL NGS AD issued today

15 Dec 2019 - 737 Classic differences quiz updated

13 Dec 2019 - FAA issue 737-3/4/700 BDSF 9G rigid barrier AD in response to Civil Aviation Authority of Israel AD

13 Dec 2019 - Final report issued into N772SW 737-700 in-flight uncontained engine failure on 17 April 2018

13 Dec 2019 - 737 Fuel crossfeed valve AD issued today which affects ETOPS operations

12 Dec 2019 - Details added about proposed changes to the 737CL/NG MMEL to bring it into line with MAX changes

09 Dec 2019 - 737 Classic fuel tank sealant AD issued

07 Dec 2019 - Boeing fined by FAA due to inadequate oversight of slat track suppliers

19 Nov 2019 - Final report published into A6-FDN 737-800 Loss of Control during Go-Around at Rostov On Don on 19 Mar 2016.

26 Nov 2019 - Analysis of 737 Classic MLG failures on landing

25 Nov 2019 - 737-800 FQIS AD issued

25 Nov 2019 - Avior Airlines 737-400 YV-3012 MLG collapse during landing at Bogota on 22 Nov 2019

20 Nov 2019 - NTSB recommends that FAA mandate Boeing to redesign the 737NG engine fan cowl to minimize the potential of a catastrophic failure

20 Nov 2019 - Probable cause and findings published into uncontained engine failure to 737-700 N772SW on 17 Apr 2018

18 Nov 2019 - Preliminary report issued into Flybondi 737-800 RTO after tailstrike at Iguazu on 16 Jul 2018

16 Nov 2019 - Preliminary report issued into 5N-BRN Air Peace 737-500, skidded off the side of runway landing at Port Harcourt in heavy rain on 22 Jun 2019.

16 Nov 2019 - Preliminary report issued into 5N-BQO Air Peace 737-300 NLG Failure on landing at Lagos 23 Jul 2019

16 Nov 2019 - Preliminary report issued into 5N-BUK Air Peace 737-300 engine damage on landing at Lagos 15 May 2019

15 Nov 2019 - Criminal charges brought against Tartarstan Airlines management following accident to VQ-BBN 737-500 Loss of control after go-around at Kazan in 2013

13 Nov 2019 - FAA issue revised 737NG Pickle Fork AD

11 Nov 2019 - SkyUp Airlines UR-SQH 737-800 Landing Gear Fire after landing at Sharm El Sheikh 9 Nov 2019

10 Nov 2019 - New photo of the "Picklefork" added

09 Nov 2019 - MCAS - TAB preliminary report released

07 Nov 2019 - Photo added to the 737NG Pickle Fork AD page

31 Oct 2019 - RAF takes delivery of its first Poseidon maritime surveillance aircraft.

31 Oct 2019 - New details emerging about how MCAS was developed in House Committee hearing

30 Oct 2019 - Tribute to the 737-600

29 Oct 2019 - Boeing announces new 737-800 freighter conversion line in Guangzhou, China

25 Oct 2019 - Final report published into the Lion Air MAX PK-LQP accident of 29 Oct 2018

11 Oct 2019 - All the details about the 737NG Pickle Fork AD

09 Oct 2019 - 737-3/4/500 operations temporarily suspended at La Paz El Alto from 10 Oct 2019 by order of Bolivian DGAC

20 Sep 2019 - Final report published into Yan Air 737-400 UR-COI 737-400 Loss of cabin pressure on 23 Jun 2018

19 Sep 2019 - 737NG/MAX Thrust reverser AD issued

12 Sep 2019 - Final report published into West Atlantic 737-400 G-JMCR electrical failures in-flight on 12 Oct 2018

10 Sep 2019 - Final report issued into 737-200, XA-UHZ that crashed shortly after take off from Runway 06 at Havana, Cuba on 18 May 2018.

06 Sep 2019 - EASA makes public its four conditions for lifting MAX ban

25 Aug 2019 - The certification test flight for the changes to Boeing’s 737 MAX flight architecture is now expected to occur in early October. If succussful, a return to service should occur sometime in the fourth quarter of 2019.

23 Aug 2019 - Boeing intend to resume production of the MAX at a rate of 52 aircraft per month in February 2020

15 Aug 2019 - 2 ADs issued for fuselage cracks in 737-1/2/3/4/500 series & 1 AD issued for MAX slat track assemblies

15 Aug 2019 - Final report published into Korean 737-900 HL7725 737-900 tailstrike on go-around at Kansai on 9 Apr 2018

10 Aug 2019 - VQ-BKV Globus/S7 Airlines, runway overrun on takeoff at Moscow Domodedovo on 5 Aug 2019

09 Aug 2019 - Final report published into Xiamen 737-800 B-5498 Runway excursion after landing at Manila on 16 Aug 2018

08 Aug 2019 - Preliminary report issued into oil loss and IFSD of 737-800 ZS-ZWE at Tambo on 8 Jul 2019

06 Aug 2019 - MAX MCAS flight test program reaches 500 flights

05 Aug 2019 - Sixth operator workstation to be retrofitted to early P-8A Poseidons

03 Aug 2019 - CP-3077 MLG Shimmy Damage on Landing at La Paz

02 Aug 2019 - 737 MAX FCC Redesign

24 Jul 2019 - 5N-BQO Air Peace 737-300 NLG Failure on landing at Lagos 23 Jul 2019

23 Jul 2019 - AD issued for fatigue cracks in hydraulic systems A and B pressure module check valves

20 Jul 2019 - Final report published into Smartwings 737-800 N624XA overrun at Pardubice on Aug 1st 2018

19 Jul 2019 - Final report issued P2-PXE 737-800 landed short of runway at Chuuk, Micronesia 27 Sep 2018

19 Jul 2019 - AD issued for cracking in the lower lobe skin panel assemblies of the fuselage of 737-1/2/3/4/500 series

12 July 2019 - 737-300, EW-336PA operated by Belavia runway excursion at Kiev.

02 July 2019 - 737-800, VT-SYK operated by Spicejet runway excursion at Mumbai.

01 July 2019 - 737-800, VT-AYA operated by Air India Express runway excursion at Mangalore.

27 Jun 2019 - The last 737NG has been delivered

28 Jun 2019 - The Indian DGCA have issued their final report into the runway excursion on landing of 737-800, VT-AXT, (36331/2324), at Mumbai on 10 July 2018.

27 Jun 2019 - Further MAX problem identified

23 Jun 2019 - A 737-500, 5N-BRN, operated by Air Peace has skidded off the left hand side of Runway 21 at Port Harcourt, Nigeria at 14:42Z whilst landing in heavy rain.

13 Jun 2019 - AAIB report published into 737-800, YR-BMF, Tailstrike on departure.

13 Jun 2019 - EASA Issue LEAP-1B gearbox AD

12 Jun 2019 - 737 NG skin crack AD issued today

01 Jun 2019 - NTSB issue investigative update on N732MA Miami Air 737-800 runway overrun at Jacksonville

31 May 2019 - Radome collapses added

31 May 2019 - Update on the return to service of the MAX

23 May 2019 - Ryanair 737-800 photo added

23 May 2019 - 737-1/2/3/4/500 pitot heat AD issued

16 May 2019 - EW-290PA 737-500 Runway Excursion in Fog final report published

13 May 2019 - Roller Coaster manouvre added

12 May 2019 - Evolution of the Runaway Stab Trim procedure added

09 May 2019 - Widespread fatigue damage in multiple locations between stringers S-10 and S-17 above the passenger floor AD issued for 737-1/2/3/4/500 series

08 May 2019 - TAB details added

04 May 2019 - N732MA Miami Air 737-800 runway overrun at Jacksonville

30 Apr 2019 - Boeing says that AoA disagree alert was not activated as intended on MAX without optional AoA display

20 Apr 2019 - JATR details added

19 Apr 2019 - Details of the FAA FBS draft report added

17 Apr 2019 - Flight testing of redesigned MCAS is complete

09 Apr 2019 - Final report published into runway overrun of 737-800, 9Y-PBM, Caribbean Airlines at Georgetown, Guyana 30 Jul 2011.

04 Apr 2019 - Ethiopian Ministry of Transport issue the preliminary report into the ET-AVJ MAX-8 accident

04 Apr 2019 - The first MAX -10 fuselage, l/n 7644, has arrived at Renton.

03 Apr 2019 - UK orders 5 737 P-8 AEWC

24 Mar 2019 - More details added to MCAS description and proposed fix by Boeing

13 Mar 2019 - FAA grounds the MAX after the Ethiopian and Lion Air accidents are thought to be connected by MCAS issues

12 Mar 2019 - The UK CAA follows several other countries in grounding the 737 MAX

11 Mar 2019 - FAA issue CANIC about the MAX MCAS

10 Mar 2019 - Ethiopian Airlines 737 MAX-8 belived to have crashed on a flight from Addis Ababa to Nairobi. 149 pax + 8 crew on board

21 Jan 2019 - Sales and delivery data for 2019 added

18 Jan 2019 - Air Horizont 737-400 photo added

13 Jan 2019 - 737 MAX-200 makes its maiden flight

12 Jan 2019 - Podeba 737-800 photo added

10 Jan 2019 - 737NG MLG doors AD issued

02 Jan 2019 - 737 features prominently in commercial aviation fatalities accident record for 2018

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