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 2019 ***

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Website updates & news...

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

24 Dec 2018 - The Jordanian CARC have published their final report into the runway overrun whilst landing at Aqaba on 17 Sep 2017 of 737-300, JY-SOA operated by Fly Jordan Solitaire Air

21 Dec 2018 - The Jordanian CARC have published their final report into the right main gear collapse of Safi Airways 737-400, JY-JAQ, at Kabul on 10 Dec 2016

21 Dec 2018 - Final report issued EI-DYG 737-800 loss of thrust on both engines at CIA 10 Nov 2008

18 Dec 2018 - FAA SAIB issued to warn operators to check the fuel control switches as some were installed with the locking feature disengaged.

15 Dec 2018 - First MAX finished in Zhoushan, China

14 Dec 2018 - Final report issued into TC-TLC 737-400 depressurization and emergency descent of 23 Mar 2018

07 Dec 2018 - FAA issue AD for MAX stab trim procedures following Lion Air accident

01 Dec 2018 - Final report published into runway excursion during takeoff of Jet Airways 737-800 VT-JBG at Goa on 27 Dec 2016

28 Nov 2018 - KNKT release preliminarty report for PK-LQP Lion Air 737 MAX-8 that crashed into Java Sea 29 Oct 2018

23 Nov 2018 - KNKT release FDR data for PK-LQP Lion Air 737 MAX-8 that crashed into Java Sea 29 Oct 2018

23 Nov 2018 - 737MAX delivered to the first client

22 Nov 2018 - Peruvian Airlines 737-500 OB-2041-P MLG collapse on landing at La Paz.

21 Nov 2018 - AAIB issues final report into Sunwing Airlines 737-800 C-FWGH take-off performance error at Belfast on 21 July 2017

21 Nov 2018 - MAX 8-200 rolled out at Renton

20 Nov 2018 - The Boeing 737 Technical Guide has been updated

13 Nov 2018 - Description of MAX Maneuvering Characteristics Augmentation System (MCAS) added

07 Nov 2018 - FAA issue an Emergency AD for MAX AFM Runaway Stabilizer procedure following PK-LQP accident

06 Nov 2018 - Preliminary report issued into UT Air 737-800 VQ-BJI Runway excursion after landing at Sochi on 01 Sep 2018

04 Nov 2018 - t'way Airlines 737-800 tailstrike during baulked landing

29 Oct 2018 - PK-LQP Lion Air 737 MAX-8 crashed into Java Sea

26 Oct 2018 - Preliminary report issued into P2-PXE 737-800 Landed short of runway at Chuuk, Micronesia

26 Oct 2018 - MAX-7 certification flight testing resumes after crews return from production work

23 Oct 2018 - Final report published into JA85AN 737-800 Pressurisation failure 27 May 2016

17 Oct 2018 - MAX 9 EASA Type Certificate issued

12 Oct 2018 - Air India Express 737-800 VT-AYD damaged after hiting obstacles on departure

10 Oct 2018 - PH-HSB 737-800 at Barcelona added to photo gallery

01 Oct 2018 - Final report published into runway excursion of Vim Airlines, 737-500, VP-BVS, at Riga on 17 Feb 2017

28 Sep 2018 - P2-PXE 737-800 Landed short of runway at Chuuk, Micronesia

27 Sep 2018 - S2-AJA 737-800 Landed with NLG Retracted

26 Sep 2018 - Details of 737-PXL added

21 Sep 2018 - Final report released into A6-FDS 737-800 Tyre Failure and Loss of Hyd A 8 Aug 2017

18 Sep 2018 - ATSB Report issued into VH-VOP 737-800 aquaplaning on landing

14 Sep 2018 - AAIB Report issued into EI-DLV 737-800 failure of left nose landing gear axle

11 Sep 2018 - New 737-1/2/3/4/500 fuselage cracks AD issued

01 Sep 2018 - UT Air 737-800 VQ-BJI Runway excursion after landing at Sochi

30 Aug 2018 - 737 MAX -10 MLG details revealed

22 Aug 2018 - Final report issued into HK-5197 AerCaribe 737-400SF runway excursion on landing at Leticia, Colombia 28 Jan 2017

16 Aug 2018 - Xiamen 737-800, B-5498, Runway excursion after landing at Manila

10 Aug 2018 - 737 production problems affecting deliveries

09 Aug 2018 - Preliminary report issued into Lion Air PK-LOO 737-800 Runway excursion after landing on 29 Apr 2018

08 Aug 2018 - Final report issued into ASL 737-400F overrun at Bergamo 5 Aug 2016

06 Aug 2018 - New 737-1/2/3/4/500 fuselage cracks AD issued

17 Jul 2018 - Flybondi B738 at Iguazu, tailstrike on takeoff as thrust is applied

16 Jul 2018 - Global Damojh B732 at Havana on May 18th 2018, Airline says FDR shows that crew stalled aircraft.

04 Jul 2018 - Finnish SIA Report issued into 737-800 LN-NHF runway overrun after landing at Helsinki on 11 July 2017

02 Jul 2018 - SAIB issued regarding inadvertent removal of Observer’s seat cupholder exposing P6-11 circuit breaker panel.

16 Jun 2018 - EI-FHD Tyre burst and hydraulic system A failure

15 Jun 2018 - The second 737-300 "Fireliner" has been delivered to Coulson aerial firefighters for conversion

13 Jun 2018 - Two more tailstrikes this week, a 739 on take-off and a 738 on landing

25 May 2018 - PK-JRM 737-200C Runway excursion after landing at Wamena, Indonesia

23 May 2018 - 737-1/2/3/4/500 keel beam HFEC inspection AD issued today

22 May 2018 - TUI Belgium B738 at Marrakesh on May 2nd 2018, tail strike on landing

18 May 2018 - 737-200, XA-UHZ, operated by Global Air on behalf of on behalf of Cubana, has crashed shortly after take off from Havana, Cuba.

18 May 2018 - Jordanian CARC Report issued into JY-JAP 737-400 runway overrun during landing at Tombouctou on 5 May 2017

15 May 2018 - NASA ASRS report issued into 737NG Throttle Sensitivity

15 May 2018 - 737-1/2/3/4/500 Wing AD issued today

11 May 2018 - Report issued into EI-EBW 737-800 overspeed recovery of 14 Jan 2017 which caused injury

04 May 2018 - The NTSB have issued an investigation update into the SWA engine failure.

02 May 2018 - FAA issues new AD for the CFM56-7B requiring initial and repetitive inspections of the concave and convex sides of the fan blade dovetail to detect cracking.

30 Apr 2018 - New 737-1/2/3/4/500 main landing gear beam forward support fitting AD issued

29 Apr 2018 - PK-LOO 737-800 Runway excursion after Landing

25 Apr 2018 - Boeing issue reminder about the correct procedure for setting takeoff thrust following ATOs.

23 Apr 2018 - BBJ VP-BVV added to the photo gallery

21 Apr 2018 - CFM issues revied SB for CFM56-7 following 17 Apr incident, EASA and FAA follow suit with ADs. Copies available here

19 Apr 2018 - 9M-LNJ 737-900ER Runway excursion after RTO

17 Apr 2018 - N772SW 737-700 In-Flight Uncontained Engine Failure

16 Apr 2018 - Flyaway of first MAX BBJ

13 Apr 2018 - 737-800BCF (Boeing Converted Freighter) gets certification

12 Apr 2018 - Tailstrike data updated with two new events

08 Apr 2018 - Powerplant limitations table updated with MAX LEAP-1B data

21 Mar 2018 - First MAX 9 delivered

16 Mar 2018 - First Flight of the MAX 7

05 Mar 2018 - 737CL fuel boost pump power cable AD issued

04 Mar 2018 - 9S-ASG 737-300 nose gear collapse after landing

01 Mar 2018 - V61 of the 737 Type Certificate Data Sheet published to include MAX-9 data

28 Feb 2018 - 737CL AD issued for WFD of aft pressure bulkhead

27 Feb 2018 - Final report issued into the MLG collapse after landing of Jet Airways 737-800 VT-JGD at Mumbai on 3 March 2016.

22 Feb 2018 - 737 NG Performance Improvement Package described

18 Feb 2018 - Photo of the last Classic added to the gallery

17 Feb 2018 - 737 MAX differences quiz updated.

16 Feb 2018 - The FAA have today certified the MAX-9 for commercial service.

13 Feb 2018 - FAA have issued Revision Number 60 of the 737 MMEL. Change revision summary here.

10 Feb 2018 - The 737 Technical Guide printed book and EPUB updated

09 Feb 2018 - Bowed Rotor Motoring photo added

08 Feb 2018 - MAX Elevator Jam Landing Assist panel photo added

06 Feb 2018 - P-8A upgrades announced

06 Feb 2018 - Final report published into the Jet Airways 737-800, VT-JGA, MLG failure on landing at Khajuraho on 13 Apr 2015.

05 Feb 2018 - MAX engine panel photo updated

02 Feb 2018 - LEAP1B thrust ratings added

01 Feb 2018 - MAX FCOM V5 change revision summary

30 Jan 2017 - Final report issued into Taban Airlines 737-400 MLG collapse at Ardabil in March 2017

29 Jan 2018 - MAX FCTM V2 change revision summary

23 Jan 2018 - 100th 737-400SF cargo conversion by AEI

22 Jan 2018 - History of 737-200Adv TL-ADM added

19 Jan 2018 - Ice Detection system photos and description added

14 Jan 2018 - TC-CPF Pegasus 737-800 Runway Excursion, Trabazon, 13 Jan 2018

11 Jan 2018 - Updated sales and delivery data for 2017

10 Jan 2018 - 737 MAX Onboard Maintenance Function photos and description

05 Jan 2018 - Titan Airways Boeing 737-300CF added to the photo gallery

05 Jan 2018 - MAX -9 Flap limit speed photo added

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