# Boeing 727-235 - Type: Aircraft model (FAA registry) - Registry code: 138408B - Manufacturer (registry): BOEING - Model: 727-235 - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 3 · Turbo-jet - Seats: 134 - Weight class: 20,000 lb and over - Cruise speed: 435 mph - Certification: Type certificated - Data sheet: [TCDS A3WE](https://openairdocs.org/tcds/A3WE) (OpenAirDocs) - Holder: The Boeing Company - Registered aircraft: 0 - Page: https://openairdocs.org/model/boeing-727-235 Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2026-13-15](https://openairdocs.org/ad/2026-13-15): Navigation · Boeing 707-100 Long Body, 707-200, 707-100B Long Body and 74 more. Effective Jul 1, 2026 - [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026 - [AD 2023-12-15](https://openairdocs.org/ad/2023-12-15): Navigation · Boeing 707-100 Long Body, 707-200, 707-100B Long Body and 74 more. Effective Jun 21, 2023 - [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023 - [AD 2022-25-01](https://openairdocs.org/ad/2022-25-01): Wings · Boeing 707-100 Long Body, 707-200, 707-100B Long Body and 11 more. Effective Feb 16, 2023 - [AD 2021-03-09](https://openairdocs.org/ad/2021-03-09): Wings · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Mar 31, 2021 - [AD 2020-06-19](https://openairdocs.org/ad/2020-06-19): Navigation · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Jun 22, 2020 - [AD 2019-23-04](https://openairdocs.org/ad/2019-23-04): Fuel · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Feb 4, 2020 - [AD 2019-24-18](https://openairdocs.org/ad/2019-24-18): Navigation · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 11 more. Effective Feb 3, 2020 - [AD 2018-25-15](https://openairdocs.org/ad/2018-25-15): Wings · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Jan 22, 2019 - [AD 2018-23-12](https://openairdocs.org/ad/2018-23-12): Equipment/furnishings · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 180 more. Effective Dec 28, 2018 - [AD 2018-20-05](https://openairdocs.org/ad/2018-20-05): Fuselage · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 2 more. Effective Nov 2, 2018 - [AD 2018-17-20](https://openairdocs.org/ad/2018-17-20): Fuel · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Oct 4, 2018 - [AD 2017-19-02](https://openairdocs.org/ad/2017-19-02): Doors · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Oct 19, 2017 - [AD 2014-21-09](https://openairdocs.org/ad/2014-21-09): Wings · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Dec 3, 2014 - [AD 2014-16-09](https://openairdocs.org/ad/2014-16-09): Oxygen · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 16 more. Effective Sep 23, 2014 - [AD 2014-17-02](https://openairdocs.org/ad/2014-17-02): Communications · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 137 more. Effective Sep 9, 2014 - [AD 2014-04-09](https://openairdocs.org/ad/2014-04-09): Wings · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective May 2, 2014 - [AD 2014-05-14](https://openairdocs.org/ad/2014-05-14): Fuselage · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective May 1, 2014 - [AD 2014-03-21](https://openairdocs.org/ad/2014-03-21): Fuselage · Boeing 727-200 Series and 727-200F Series. Effective Mar 31, 2014 - [AD 2013-24-15](https://openairdocs.org/ad/2013-24-15): Fuel · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Jan 8, 2014 - [AD 2013-22-03](https://openairdocs.org/ad/2013-22-03): Fuel · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Dec 5, 2013 - [AD 2013-21-07](https://openairdocs.org/ad/2013-21-07): Stabilizers · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Dec 5, 2013 - [AD 2013-19-08](https://openairdocs.org/ad/2013-19-08): JASC Code 3418, Stall Warning System · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 18 more. Effective Nov 6, 2013 - [AD 2013-16-17](https://openairdocs.org/ad/2013-16-17): Wings · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Sep 27, 2013 - [AD 2013-15-15](https://openairdocs.org/ad/2013-15-15): Fuselage · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Sep 20, 2013 - [AD 2013-15-11](https://openairdocs.org/ad/2013-15-11): Stabilizers · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Sep 20, 2013 - [AD 2013-14-03](https://openairdocs.org/ad/2013-14-03): Stabilizers · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Aug 26, 2013 - [AD 2013-14-02](https://openairdocs.org/ad/2013-14-02): Wings · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Aug 26, 2013 - [AD 2011-21-08](https://openairdocs.org/ad/2011-21-08): Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 202 more. Effective Nov 23, 2011 - [AD 2011-12-01](https://openairdocs.org/ad/2011-12-01): Equipment/Furnishings · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 268 more. Effective Aug 1, 2011 - [AD 2011-12-05](https://openairdocs.org/ad/2011-12-05): Fuel · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Jul 15, 2011 - [AD 2011-02-05](https://openairdocs.org/ad/2011-02-05): Fuselage. · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Mar 1, 2011 - [AD 2011-01-05](https://openairdocs.org/ad/2011-01-05): Fuselage · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Feb 14, 2011 - [AD 2011-01-09](https://openairdocs.org/ad/2011-01-09): Oxygen · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 290 more. Effective Feb 9, 2011 - [AD 2009-21-10 R1](https://openairdocs.org/ad/2009-21-10-R1): Oxygen · Airbus A300 B4-605R, A300 B4-620, A300 B4-622 and 138 more. Effective Feb 4, 2010 - [AD 2008-04-10 R1](https://openairdocs.org/ad/2008-04-10-R1): Fuel tank · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Dec 30, 2009 - [AD 2009-20-08](https://openairdocs.org/ad/2009-20-08): Fuel system · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Nov 5, 2009 - [AD 2009-20-03](https://openairdocs.org/ad/2009-20-03): Kickboard beam · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Nov 3, 2009 - [AD 2009-20-01](https://openairdocs.org/ad/2009-20-01): Auxiliary fuel tanks · Boeing 727-200 Series with STC SA3449NM. Effective Oct 26, 2009 - [AD 2009-06-10](https://openairdocs.org/ad/2009-06-10): Lower skin and the upper fastener row of the upper skin · Boeing 727-100 Series and 727-200 Series. Effective Apr 28, 2009 - [AD 2009-05-03](https://openairdocs.org/ad/2009-05-03): Ground fault interrupter (GFI) · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Apr 3, 2009 - [AD 2008-22-12](https://openairdocs.org/ad/2008-22-12): Elevator side fitting/hinge fitting joint · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Dec 17, 2008 - [AD 2008-23-09](https://openairdocs.org/ad/2008-23-09): Insulation blanket · Boeing 727-200 Series, 727-200F Series, 737-200 Series and 18 more. Effective Dec 15, 2008 - [AD 2008-22-01](https://openairdocs.org/ad/2008-22-01): Auxiliary fuel tanks · Boeing 727-100 Series, 727-200 Series, 727 Series and 17 more. Effective Nov 26, 2008 - [AD 2008-17-14](https://openairdocs.org/ad/2008-17-14): Elevator rear spar · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Oct 2, 2008 - [AD 2006-16-18 R1](https://openairdocs.org/ad/2006-16-18-R1): Installing a warning placard on the TAWS/RMI · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 100 more. Effective Jul 18, 2008 - [AD 2008-12-03](https://openairdocs.org/ad/2008-12-03): Auxiliary fuel tanks · Airbus BAC 1-11 400 Series, 707-100 Long Body, 707-100B Long Body and 15 more. Effective Jul 9, 2008 - [AD 2008-11-09](https://openairdocs.org/ad/2008-11-09): Flight deck windows · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Jul 3, 2008 - [AD 2008-08-02](https://openairdocs.org/ad/2008-08-02): Main landing gear (MLG) · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective May 19, 2008 Historical (superseded or no longer in force): - [AD 2022-09-18](https://openairdocs.org/ad/2022-09-18) (historical): Navigation · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 72 more. Effective May 23, 2022 - [AD 2013-18-09](https://openairdocs.org/ad/2013-18-09) (historical): Communications · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 137 more. Effective Oct 3, 2013 - [AD 2009-21-10](https://openairdocs.org/ad/2009-21-10) (historical): Oxygen · Airbus A300, Model B4-605R, A300, Model B4-620, A300, Model B4-622 and 138 more. Effective Dec 17, 2009 - [AD 2008-04-10](https://openairdocs.org/ad/2008-04-10) (historical): Fuel tank systems · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Mar 28, 2008 - [AD 2007-11-08](https://openairdocs.org/ad/2007-11-08) (historical): Boost pump dry bay inspection · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Jun 6, 2007 - [AD 2005-14-07](https://openairdocs.org/ad/2005-14-07) (historical): Carriage attach fittings on the foreflaps · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Aug 15, 2005 - [AD 2001-24-02](https://openairdocs.org/ad/2001-24-02) (historical): Shoulder Restraint Harness Attachment · Boeing 707-100 Long Body, 707-100B Long Body, 707-300 Series (all) and 20 more. Effective Jan 4, 2002 - [AD 74-08-09 R2](https://openairdocs.org/ad/74-08-09-R2) (historical): Waste Receptacles · Aero Spacelines 377, 377MG, 377SGT and 268 more. Effective Jul 29, 1996 - [AD 95-19-08](https://openairdocs.org/ad/95-19-08) (historical): Nose Cowl · Pratt and Whitney JT8D-217A, -217C, and -219 engines, related… (Rohr STC SA4363NM). Effective Oct 20, 1995 - [AD 95-04-01](https://openairdocs.org/ad/95-04-01) (historical): AFM - Limitations - Windshear · Boeing 727-100 Series, 727-200 Series, 737-100 Series and 54 more. Effective Mar 8, 1995 - [AD 86-17-05 R1](https://openairdocs.org/ad/86-17-05-R1) (historical): Frame - Cargo Door Cutout · Boeing 727-200 Series. Effective Sep 3, 1987 All 279: https://openairdocs.org/model/boeing-727-235/ads.md ## Information bulletins (advisory) (7) - [SAIB NE-19-03](https://openairdocs.org/saib/NE-19-03): Escape Slide Maintenance Tasks and Intervals - JASC 2565. Issued Feb 19, 2019 - [SAIB NM-15-03](https://openairdocs.org/saib/NM-15-03): Flight Controls. Issued Nov 24, 2014 - [SAIB NM-15-02](https://openairdocs.org/saib/NM-15-02): Cabin Equipment/Furnishings. Issued Nov 6, 2014 - [SAIB NM-10-13](https://openairdocs.org/saib/NM-10-13): Navigation: Flight Management System. Issued Jan 7, 2010 - [SAIB NM-09-03](https://openairdocs.org/saib/NM-09-03): Engine Fuel and Control - Implementing Fuel Tank System Airworthiness Limitations. Issued Dec 11, 2008 - [SAIB NM-06-57](https://openairdocs.org/saib/NM-06-57): Reports of damage to airplanes and to property on the ground caused by blue or clear ice falling from airplanes.. Issued Jul 27, 2006 - [SAIB NM-06-56](https://openairdocs.org/saib/NM-06-56): . Issued Jul 19, 2006 ## Registered aircraft None registered with this model now. ## NTSB investigations (14) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB DCA87MA010](https://openairdocs.org/ntsb/DCA87MA010), Nov 6, 1986: Boeing 727-235 (N4743), Tampa, FL, substantial damage, 1 fatal - [NTSB DCA82AA028](https://openairdocs.org/ntsb/DCA82AA028), Jul 9, 1982: Boeing 727-235 (N4737), New Orleans, LA, destroyed, 153 fatal - [NTSB MIA82FA051](https://openairdocs.org/ntsb/MIA82FA051), Feb 17, 1982: Boeing 727-235 (N4734), Miami, FL, substantial damage - [NTSB MIA81AA106](https://openairdocs.org/ntsb/MIA81AA106), Aug 17, 1981: Boeing 727 (N4742), Ft.Lauderdale, FL, substantial damage - [NTSB ATL80IA067](https://openairdocs.org/ntsb/ATL80IA067), Jul 4, 1980: Boeing 727 (N4749), Richmond, VA, incident, no damage - [NTSB MIA78IA036](https://openairdocs.org/ntsb/MIA78IA036), Jan 27, 1978: Boeing 727 (N4737), Orlando, FL, incident, no damage - [NTSB FTW74IF077](https://openairdocs.org/ntsb/FTW74IF077), Apr 30, 1974: Boeing 727 (N4736), Sierra Blanca, TX, incident, minor damage - [NTSB NYC74IN013](https://openairdocs.org/ntsb/NYC74IN013), Aug 12, 1973: Boeing 727 (N4742), Jamaica, NY, incident, minor damage - [NTSB FTW73IF005](https://openairdocs.org/ntsb/FTW73IF005), Jul 26, 1972: Boeing 727 (N4735), New Orleans, LA, incident, minor damage - [NTSB MIA72IM116](https://openairdocs.org/ntsb/MIA72IM116), May 1, 1972: Boeing 727 (N4734), Jacksonville, FL, incident, minor damage - [NTSB NYC71IN102](https://openairdocs.org/ntsb/NYC71IN102), Apr 14, 1971: Boeing 727 (N4733), Jamaica, NY, incident, no damage - [NTSB FTW71AF044](https://openairdocs.org/ntsb/FTW71AF044), Feb 7, 1971: Boeing 727 (N4749), St.Petersburg, FL, no damage - [NTSB MIA71IM008](https://openairdocs.org/ntsb/MIA71IM008), Jul 22, 1970: Boeing 727 (N4730), Jacksonville, FL, incident, minor damage - [NTSB MIA69I0077](https://openairdocs.org/ntsb/MIA69I0077), May 11, 1969: Boeing 727 (N4743), Pensacola, FL, incident, no damage ## FAA accident and incident reports (39) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 19861106086972A](https://openairdocs.org/incident/19861106086972A), Nov 6, 1986: Boeing 727235 (N4743), Tampa, FL, Substantial damage. Was struck on a taxiway by a landing apache N2185P that mistook taxiway for the runway while landing below minimum. - [Incident 19850610027749I](https://openairdocs.org/incident/19850610027749I), Jun 10, 1985: Boeing 727235 (N4749), St Louis, MO. Flaps would not retract during climb. Dumped fuel and returned. Maintenance lubed flap jackscrews and gearboxes. - [Incident 19841016060249I](https://openairdocs.org/incident/19841016060249I), Oct 16, 1984: Boeing 727200 (N4745), Kansas City, MO. #3 Engine fuel heat valve malfunctioned and stuck in open position. Shut down #3 engine, landed ok. - [Incident 19840215011289I](https://openairdocs.org/incident/19840215011289I), Feb 15, 1984: Boeing 727235 (N4743), Indianapolis, IN, Minor damage. During rollout aircraft began to shimmy. Towed to gate. Found nose wheel steering pin dislocated. Piston rod bent. - [Incident 19830117004739I](https://openairdocs.org/incident/19830117004739I), Jan 17, 1983: Boeing 727235 (N4748), Houston, TX, Minor damage. On takeoff roll pilot had a decaying power on #2 engine. Aborted. Found turbine section damage. - [Incident 19820731040559I](https://openairdocs.org/incident/19820731040559I), Jul 31, 1982: Boeing 727235 (N4735), Houston, TX. Pilot returned to Houston because of pressurization problems. Found a blown duct at the APU amplifier. - [Accident 19820709069969A](https://openairdocs.org/incident/19820709069969A), Jul 9, 1982: Boeing 727235 (N4737), New Orleans, LA, Destroyed, 150 fatal. Aircraft departed into thunderstorm area and was observed sinking into ground in nose-high attitude. - [Accident 19820217004509A](https://openairdocs.org/incident/19820217004509A), Feb 17, 1982: Boeing 727235 (N4734), Miami, FL, Substantial damage. Explosion occurred in number 2 engine during takeoff. Captain aborted takeoff but damage occurred from fire. - [Incident 19811218087479I](https://openairdocs.org/incident/19811218087479I), Dec 18, 1981: Boeing 727235 (N4743), Houston, TX, Minor damage. In climb out nr 3 engine vibrated and EGT increased due to turbine failure. Returned to airport. - [Incident 19811118083189I](https://openairdocs.org/incident/19811118083189I), Nov 18, 1981: Boeing 727235 (N4745), San Diego, CA, Minor damage. Aircraft had a bird strike on takeoff. Pilot returned to airport. Bird caused a dent in wing. - [Incident 19811030083799I](https://openairdocs.org/incident/19811030083799I), Oct 30, 1981: Boeing 727235 (N4732), Phoenix, AZ, Minor damage. Pilot cleared rear with tower to start another engine. Exhaust hit aircraft parked behind blast fence. - [Incident 19810824066409I](https://openairdocs.org/incident/19810824066409I), Aug 24, 1981: Boeing 727235 (N4733), Houston, TX. Bomb threat. Search revealed nothing. - [Incident 19810428034649I](https://openairdocs.org/incident/19810428034649I), Apr 28, 1981: Boeing 727235 (N4736), Houston, TX. During climbout inboard flaps split five degrees and locked. No specific cause found. Lubed jackscrews. - [Incident 19801113079599I](https://openairdocs.org/incident/19801113079599I), Nov 13, 1980: Boeing 727235 (N4730), Houston, TX. Landed safely with an unsafe gear indication. An electrical connector in the nose down lock switch failed. - [Incident 19801012082369I](https://openairdocs.org/incident/19801012082369I), Oct 12, 1980: Boeing 727235 (N4734), New Orleans, LA. Engine shut down in flight due to an overheat light. False indication due to damaged electrical strip. - [Incident 19800719061799I](https://openairdocs.org/incident/19800719061799I), Jul 19, 1980: Boeing 727235 (N4739), New Orleans, LA. Lost hydraulics, manually extended gear. Found leaking elevator control valve. - [Incident 19800712060639I](https://openairdocs.org/incident/19800712060639I), Jul 12, 1980: Boeing 727235 (N4750), Austin, TX. Crew found hydraulic quantity dropping. Returned to departure point. Hydraulic pump had failed. - [Incident 19800519053279I](https://openairdocs.org/incident/19800519053279I), May 19, 1980: Boeing 727235 (N4742), Houston, TX. Flight diverted due to inoperative radar. - [Incident 19800517052519I](https://openairdocs.org/incident/19800517052519I), May 17, 1980: Boeing 727235 (N4735), Houston, TX. Aircraft lost hydraulic pressure and quantity. Hydraulic pump had failed. - [Incident 19800415050859I](https://openairdocs.org/incident/19800415050859I), Apr 15, 1980: Boeing 727235 (N4745), Washington, DC. Flight had uncontrollable cabin pressure. Pressurization controller had malfunctioned. - [Incident 19791113053479I](https://openairdocs.org/incident/19791113053479I), Nov 13, 1979: Boeing 727235 (N4739), Houston, TX. During cruise hydraulic "a" system quantity/pressure decreased.#2 engine "a" pump pressure hose had ruptured. - [Incident 19791009051769I](https://openairdocs.org/incident/19791009051769I), Oct 9, 1979: Boeing 727235 (N4733), Houston, TX. Engine shut down due to fire warning light. Fire bottles fired, no change. Fire warning sensor had valid. - [Incident 19791005050359I](https://openairdocs.org/incident/19791005050359I), Oct 5, 1979: Boeing 727235 (N4738), New Orleans, LA. Unable to maintain cabin pressure due to leaking #2 cargo door seal. - [Incident 19790816031699I](https://openairdocs.org/incident/19790816031699I), Aug 16, 1979: Boeing 727235 (N4735), Las Vegas, NV. Za zg zk zt smoke from coffee makers in galley. Found short in coffee maker. - [Incident 19790624016559I](https://openairdocs.org/incident/19790624016559I), Jun 24, 1979: Boeing 727235 (N4751), New Orleans, LA. Za #3 engine vibrated then flamed out and was shut down. Found broken compressor blades and N2 gear box failed. - [Incident 19790621017049I](https://openairdocs.org/incident/19790621017049I), Jun 21, 1979: Boeing 727235 (N4749), Houston, TX. Flight returned with an engine vibration problem aircraft checked out ok. - [Incident 19790325011889I](https://openairdocs.org/incident/19790325011889I), Mar 25, 1979: Boeing 727235 (N4737), Houston, TX. Zk "a" system fluid lost due to split in flap control valve. - [Incident 19790217006419I](https://openairdocs.org/incident/19790217006419I), Feb 17, 1979: Boeing 727235 (N4739), Austin, TX. Za engine shutdown due to fuel heat valve warning. Fuel heat valve stuck open. - [Incident 19790119003029I](https://openairdocs.org/incident/19790119003029I), Jan 19, 1979: Boeing 727235 (N4750), Houston, TX. Zk zn zw "a" system lost due to fluid loss, a slat actuator had been leaking - [Incident 19780908018329I](https://openairdocs.org/incident/19780908018329I), Sep 8, 1978: Boeing 727 (N4751), Houston, TX. Flight returned after engine quit. Engine required replacement. - [Incident 19780908018319I](https://openairdocs.org/incident/19780908018319I), Sep 8, 1978: Boeing 727235 (N4730), Newark, NJ, Minor damage. Tail of taxiing aircraft struck tail of a parked aircraft. - [Incident 19780816037269I](https://openairdocs.org/incident/19780816037269I), Aug 16, 1978: Boeing 727235 (N4734), Charleston, SC. Lost hydraulic fluid in flight. Found hole in line. - [Incident 19780808049529I](https://openairdocs.org/incident/19780808049529I), Aug 8, 1978: Boeing 727235 (N4746), Houston, TX. Engine shutdown due to oil loss. Found oil scavenge tube leaking. - [Incident 19780707042639I](https://openairdocs.org/incident/19780707042639I), Jul 7, 1978: Boeing 727 (N4737), Houston, TX. Takeoff aborted when tower reported smoke from left wing. Turned out to be fuel vapor, surge tank was drained - [Incident 19780701041889I](https://openairdocs.org/incident/19780701041889I), Jul 1, 1978: Boeing 727 (N4745), Houston, TX, Minor damage. Crew aborted takeoff when a loud bank was heard. Found a main tire flat and wheel rim broken. Nal pt# 68036. - [Incident 19780419012909I](https://openairdocs.org/incident/19780419012909I), Apr 19, 1978: Boeing 727 (N4742), Raleigh Durham, NC. After adjusting power following compressor stall aircraft had pressurization problems. - [Incident 19780327011149I](https://openairdocs.org/incident/19780327011149I), Mar 27, 1978: Boeing 727200 (N4748), Washington, DC, Minor damage. Returned after an engine quit during takeoff. Turbin section had disintegrated, puncturing holes in tail section. - [Incident 19780208006919I](https://openairdocs.org/incident/19780208006919I), Feb 8, 1978: Boeing 727235 (N4750), Miami, FL, Minor damage. Passenger seat broke backwards due to a missing machine screw. Inspections revealed more missing screws. - [Incident 19780123004569I](https://openairdocs.org/incident/19780123004569I), Jan 23, 1978: Boeing 727200 (N4754), Houston, TX. Landing gear handle to extend position followed by loss of hydraulic pressure and quantity. ## Service difficulty reports (2) As reported by operators and repair stations, by the model named in the report. - [SDR 9803972710](https://openairdocs.org/sdr/9803972710), Mar 7, 1998: RESISTOR. MALFUNCTIONED. DURING TAKEOFF ROLL AT 40 KNOTS, THE NR 2 ENGINE EGT INDICATION WAS BELOW NORMAL. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE NR 2 E - [SDR 97FDEA00245](https://openairdocs.org/sdr/97FDEA00245), Apr 23, 1997: FLAP. DELAMINATED. NR 0414 003, RT I/B FOREFLAP ON UPPER SURFACE I/B END IS GOUGED AND DELAMINATED. *S/D* REMOVED RT I/B FOREFLAP AND REPAIRED RUBSTRIPS ON UPPER SURFACE I/B END A ## STCs that may be installed (OpenAirDocs) (837, first 50) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC ST12461IB](https://openairdocs.org/stc/ST12461IB): Installation of Cockpit Voice Recorder with optional RIPS Upgrade. Mid- Canada Mod Center - [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems - [STC ST12412CH](https://openairdocs.org/stc/ST12412CH): Installation of the Dual FreeFlight Systems RA-6500 Radio Altimeter. IFL Group Inc - [STC ST00736SE](https://openairdocs.org/stc/ST00736SE): Installation of new flight crew oxygen masks and holders. B/E Aerospace, Inc. - FSI - [STC ST00952LA](https://openairdocs.org/stc/ST00952LA): Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON LLC d/b/a MASS Systems - [STC SA2622NM](https://openairdocs.org/stc/SA2622NM): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101). Precise Flight Inc - [STC ST02771SE](https://openairdocs.org/stc/ST02771SE): Installation of Improved Radio Altimeter System. AeroMech Incorporated - [STC ST02646AT](https://openairdocs.org/stc/ST02646AT): Installation of an AudioVideo In-Flight Entertainment System (IFE) per ARC Avionics Master Drawing List (MDL) ARC-VIDE-001-MDL latest FAA approved revision. ARC145 LLC - [STC SA5040NM](https://openairdocs.org/stc/SA5040NM): Installation of cargo pallet and net. Satco Inc - [STC ST03450AT](https://openairdocs.org/stc/ST03450AT): Installation of a horse stall system. Gregory Jackson - [STC SA2348WE](https://openairdocs.org/stc/SA2348WE): Installation of emblem lights. The Boeing Company - [STC ST09113AC](https://openairdocs.org/stc/ST09113AC): Installation of Tail Floodlights on Boeing 727 Engine Pylons. The Boeing Company - [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc - [STC SA1026NW](https://openairdocs.org/stc/SA1026NW): Installation of centerline life raft stowage compartments. Safran Cabin Inc - [STC SA1045NW](https://openairdocs.org/stc/SA1045NW): Installation of Spacemaker I-A interior kit. Safran Cabin Inc - [STC SA1078NW](https://openairdocs.org/stc/SA1078NW): Installation of C&D coat closet, L.H. forward unit. Safran Cabin Inc - [STC SA1086NW](https://openairdocs.org/stc/SA1086NW): Installation of C&D coat closet, R.H. forward unit. Safran Cabin Inc - [STC SA1174NW](https://openairdocs.org/stc/SA1174NW): Installation of a windscreen. Safran Cabin Inc - [STC SA1305NM](https://openairdocs.org/stc/SA1305NM): Installation of coat closet, L. H. forward unit. Safran Cabin Inc - [STC SA1306NM](https://openairdocs.org/stc/SA1306NM): Installation of coat closet, R. H. forward unit. (727-232). Safran Cabin Inc - [STC SA1370NM](https://openairdocs.org/stc/SA1370NM): Installation of class divider-closet units and curtain header. (727-235). C & D Zodiac Inc - [STC SA1419NM](https://openairdocs.org/stc/SA1419NM): Installation of overhead life raft stowage containers. Safran Cabin Inc - [STC SA1442NM](https://openairdocs.org/stc/SA1442NM): Installation of Spacemaker interior kit. Safran Cabin Inc - [STC SA1662NM](https://openairdocs.org/stc/SA1662NM): Installation of overhead stowage Quikbin retrofit kits. Safran Cabin Inc - [STC SA2474NM](https://openairdocs.org/stc/SA2474NM): Installation of 3 coat closets and one class divider. Safran Cabin Inc - [STC SA2480NM](https://openairdocs.org/stc/SA2480NM): Installation of divider assembly, closet assembly, cabinet assembly, coatroom assembly. Safran Cabin Inc - [STC SA3299NM](https://openairdocs.org/stc/SA3299NM): Installation of an overhead life raft stowage compartment kit. Safran Cabin Inc. Lists 727 Series - [STC SA3457NM](https://openairdocs.org/stc/SA3457NM): Installation of cabin divider. Safran Cabin Inc - [STC SA469NW](https://openairdocs.org/stc/SA469NW): Installation of coat closet unit. Safran Cabin Inc - [STC SA5169NM](https://openairdocs.org/stc/SA5169NM): Installation of Aerobin interior modification kits. Safran Cabin Inc - [STC SA5172NM](https://openairdocs.org/stc/SA5172NM): Installation of modular lavatory components. Safran Cabin Inc - [STC SA6051NM](https://openairdocs.org/stc/SA6051NM): Installation of Galley, G6A. Safran Cabin Inc - [STC SA816NW](https://openairdocs.org/stc/SA816NW): Installation of spacemaker interior modification kit. Safran Cabin Inc - [STC ST00147LA](https://openairdocs.org/stc/ST00147LA): Installation of closet and curtain header. Safran Cabin Inc - [STC ST00577SE](https://openairdocs.org/stc/ST00577SE): Installation of SpaceLine Interior Kits. Safran Cabin Inc - [STC ST01437LA](https://openairdocs.org/stc/ST01437LA): Installation of a reinforced cockpit door. Safran Cabin Inc - [STC ST00556CH](https://openairdocs.org/stc/ST00556CH): Installation of a single or dual Honeywell/Trimble HT9100 Global Navigation System. Amphenol Cable and Interconnect Technologies Inc - [STC SA3141NM](https://openairdocs.org/stc/SA3141NM): Installation of floor proximity emergency escape path. Bruce Aerospace Inc - [STC SA2932SO](https://openairdocs.org/stc/SA2932SO): Installation of a Fairchild or Sundstrand Digital Flight Data Recorder. Acron Aviation Inc - [STC ST00771AT](https://openairdocs.org/stc/ST00771AT): Installation of expanded parameters Digital Flight Data Recorder from 6 parameters to 24 parameters. L3 Communications/Aviation Recorders - [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc - [STC ST04515AT](https://openairdocs.org/stc/ST04515AT): Installation of Auxiliary Fuel Tank Ignition Mitigation Reticulated Polyurethane Foam in Boeing 727-223 Series. AerSale Inc - [STC ST01395LA](https://openairdocs.org/stc/ST01395LA): Approved for model 727-100, serial number 19860 and 20279; for model 727-200, serial number 21082, 21494, and 21495. Installation of BAE Systems (formerly Canadian Marconi) Dual CMA-900 Flight Management System. Aero Technik Inc - [STC ST00215IB](https://openairdocs.org/stc/ST00215IB): Installation of saf-Tglo ECO Photoluminescent Aisle Path Marking Systems. STG AEROSPACE GERMANY GmbH - [STC ST01936WI](https://openairdocs.org/stc/ST01936WI): Installation of LED lights. AeroLED's Holdings LLC - [STC ST03424CH](https://openairdocs.org/stc/ST03424CH): Certification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D Transponders. CMD Flight Solutions LLC - [STC ST01641AT](https://openairdocs.org/stc/ST01641AT): Installation of a photoluminescent floor proximity emergency escape path marking system. STG Aerospace Inc - [STC ST00399SE](https://openairdocs.org/stc/ST00399SE): The above boeing model which has incorporated Raisbeck Commercial Air Group Inc Master Drawing List 96B-1001, Revision D, dated September 2, 1997, or later FAA approved revision, complies iwth FAR Part 36, Stage 3 noise limits. Raisbeck Engineering Inc - [STC ST00553SE](https://openairdocs.org/stc/ST00553SE): Incorporation of the Raisbeck Commercial Air Group inlet acoustical treatment and associated structure on certain engine nose cowls. Raisbeck Engineering Inc - [STC ST00555SE](https://openairdocs.org/stc/ST00555SE): Modification in the leading edge slat and flap configurations. Raisbeck Engineering Inc All 837: https://openairdocs.org/model/boeing-727-235/stcs.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Boeing 727-223](https://openairdocs.org/model/boeing-727-223): 9 registered aircraft, registry code 1384074 - [Boeing 727-227](https://openairdocs.org/model/boeing-727-227): 4 registered aircraft, registry code 1384078 - [Boeing 727-225](https://openairdocs.org/model/boeing-727-225): 2 registered aircraft, registry code 1384077 - [Boeing 727-200](https://openairdocs.org/model/boeing-727-200): 1 registered aircraft, registry code 138407E - [Boeing 727-212](https://openairdocs.org/model/boeing-727-212): 1 registered aircraft, registry code 138407G - [Boeing 727-230](https://openairdocs.org/model/boeing-727-230): 1 registered aircraft, registry code 1384080 - [Boeing 727-232](https://openairdocs.org/model/boeing-727-232): 1 registered aircraft, registry code 1384082 - [Boeing 727-243](https://openairdocs.org/model/boeing-727-243): 1 registered aircraft, registry code 138408D - [Boeing 727-247](https://openairdocs.org/model/boeing-727-247): 1 registered aircraft, registry code 138408F - [Boeing 727-264](https://openairdocs.org/model/boeing-727-264): 1 registered aircraft, registry code 138408M - [Boeing 727-281](https://openairdocs.org/model/boeing-727-281): 1 registered aircraft, registry code 138408N - [Boeing 727-277](https://openairdocs.org/model/boeing-727-277): 1 registered aircraft, registry code 138408S --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.