# Boeing 727-214 - Type: Aircraft model (FAA registry) - Registry code: 138407R - Manufacturer (registry): BOEING - Model: 727-214 - 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-727-214 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-727-214/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 (4) 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 NYC01LA023](https://openairdocs.org/ntsb/NYC01LA023), Oct 24, 2000: Boeing 727-214 (N786AT), New York, NY, minor damage. Probable cause: The Boeing captain's misjudgment of the distance between his airplane and the CRJ. A factor was the nighttime conditions. - [NTSB NYC99LA235](https://openairdocs.org/ntsb/NYC99LA235), Jan 13, 1999: Boeing 727-200 (N785AT), New York, NY, no damage. Probable cause: Inadequate counterbalancing to compensate for the weight of the cargo door. - [NTSB DCA78AA023](https://openairdocs.org/ntsb/DCA78AA023), Sep 25, 1978: Boeing 727 (N533PS), San Diego, CA, substantial damage, 137 fatal - [NTSB LAX70IL077](https://openairdocs.org/ntsb/LAX70IL077), Jun 28, 1970: Boeing 727 (N528PS), Bakersfield, CA, incident, minor damage ## FAA accident and incident reports (20) 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. - [Incident 20010519013549I](https://openairdocs.org/incident/20010519013549I), May 19, 2001: Boeing 727214 (N788AT), Denver, CO, Minor damage. (-23)This aircraft has a tailskid strike upon takeoff at Denver. After takeoff at Denver, the tailskid remained extended after the gear was retracted. At lax,… - [Accident 20001023016259A](https://openairdocs.org/incident/20001023016259A), Oct 23, 2000: Boeing 727214 (N786AT), New York, NY, No damage. (-23) On October 23, 2000, at 2123 EST, American trans air (ata) flight 596, a Boeing 727-200 (N786AT), was being taied for take-off at laguardia airport… - [Incident 20000311004259I](https://openairdocs.org/incident/20000311004259I), Mar 11, 2000: Boeing 727214 (N786AT), St Petersburg-C, FL. On March 11, 2000 at 2055 EST, a B-727 departed pie-ind N786AT, registered to American trans air. Forty five minutes into the flight the crew reprted a… - [Incident 19990411021269I](https://openairdocs.org/incident/19990411021269I), Apr 11, 1999: Boeing 727214 (N786AT), Indianapolis, IN, Minor damage. After take off (from mdw) placed gear handle up, lost quantity in "a" hydaulic system accompanied with low pressure lights on pumps. Diverted to Indianapolis… - [Incident 19990120005769I](https://openairdocs.org/incident/19990120005769I), Jan 20, 1999: Boeing 727214 (N751US), Kansas City, MO. (-5)On 1-20-99 kitty hawk flt 503 mhr-tol diverted to mci due to loss of engine oil from the #1 engine. Inspectors witnessed the opening of the cowling and… - [Incident 19981006040189I](https://openairdocs.org/incident/19981006040189I), Oct 6, 1998: Boeing 727214 (N227JL), Philadelphia, PA. (-5)On October 6, 1998, at approximately 17:10 local, crew reported that the horizontal stabilizer jammed at 5.0 degrees nose up at flight level 180 and… - [Incident 19980807027579I](https://openairdocs.org/incident/19980807027579I), Aug 7, 1998: Boeing 727214 (N751US), Kansas City, MO. After take off from mci, pilot reported #1 engine strut overheataed followed by a burning smell. Reduced power for #1 engine to zero and overheat light went… - [Incident 19971109042569I](https://openairdocs.org/incident/19971109042569I), Nov 9, 1997: Boeing 727214 (N785AT), Indianapolis, IN. Narrative: enroute from las shut down the #3 engine and then landed at ind without incident at 1051Z. Emergency equipment was standing by. Engine shutdown due… - [Incident 19961218045099I](https://openairdocs.org/incident/19961218045099I), Dec 18, 1996: Boeing 727214 (N785AT), Indianapolis, IN. On December 18, 1996, at 1707 EDT, a Boeing B727-214, N785AT registered to comerica leasing corporation, and operated by American trans air, inc., departed… - [Incident 19920322015349I](https://openairdocs.org/incident/19920322015349I), Mar 22, 1992: Boeing 727214 (N908TS), Louisville, KY. NR3 oil pressure light on during climb. Returned. Engine oil pump had failed. - [Incident 19910606020319I](https://openairdocs.org/incident/19910606020319I), Jun 6, 1991: Boeing 727214 (N750US), Boston, MA, Minor damage. NR2 engine failed after departure returned. Third and fourth stage turbine blades exited from tail pipe. - [Incident 19901207064269I](https://openairdocs.org/incident/19901207064269I), Dec 7, 1990: Boeing 727214 (N719US), Indianapolis, IN, Minor damage. Windshield cracked at cruise altitude. Diverted to Indianapolis. Landed safely. - [Incident 19900319008759I](https://openairdocs.org/incident/19900319008759I), Mar 19, 1990: Boeing 727214 (N723US), Charlotte, NC. A system hydraulic quantity dropped after departure. Precautionary landing. Wing flap motor leaking at b nut. - [Incident 19891212061279I](https://openairdocs.org/incident/19891212061279I), Dec 12, 1989: Boeing 727214 (N723US), Charlotte, NC. Mechanic taxiing aircraft to cargo area. Departed taxiway onto grass area. Taxiway was wet and had tailwind. - [Incident 19891019058149I](https://openairdocs.org/incident/19891019058149I), Oct 19, 1989: Boeing 727214 (N911TS), Washington, DC, Minor damage. Struck a parked aircraft while taxiing for departure. - [Incident 19870915069579I](https://openairdocs.org/incident/19870915069579I), Sep 15, 1987: Boeing 727214 (N373PA), Washington, DC. Diverted and descended when cabin pressure could not be stabilized. Oxygen mask deployment malfunctions. - [Incident 19800721062009I](https://openairdocs.org/incident/19800721062009I), Jul 21, 1980: Boeing 727227 (N409BN), Memphis, TN. Engine shut down due to loss of oil. Found oil cap off tank, - [Incident 19800429045029I](https://openairdocs.org/incident/19800429045029I), Apr 29, 1980: Boeing 727214 (N409BN), Dallas, TX. Shudder experienced while banking at FL180 and 30 KTS. Flight returned. Inboard flap thrust bearing replaced. - [Incident 19780524040079I](https://openairdocs.org/incident/19780524040079I), May 24, 1978: Boeing 727214 (N409BN), Austin, TX. On approach to landing inboard flap would not extend fully. Returned to departure point. Indicator malfunction. - [Incident 19780304015429I](https://openairdocs.org/incident/19780304015429I), Mar 4, 1978: Boeing 727 (N533PS), Burbank, CA, Minor damage. Trailing edge flap section separated in landing roll when the airplane hit standing water in a runway depression. ## Service difficulty reports (296, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR DHLA200800133](https://openairdocs.org/sdr/DHLA200800133), Dec 4, 2008: SKIN. DAMAGED. ACFT SKIN DAMAGE 2 IN HOLE LOWER RT SIDE BELOW PITOT TUBE. ACFT DAMAGED BY CARGO CONTAINER. INSTALLED REPAIR IAW SRM 53-30-3 AT STA 212 RT STR 25R. - [SDR DHL2008F00002](https://openairdocs.org/sdr/DHL2008F00002), Jul 9, 2008: STRUCTURE. CRACKED. L/E SLAT HAS 2 SMALL CRACKS AT IB SLAT TRACK ATTACH POINT. CRACKS WERE BURNISHED OUT WITH MINIMAL MATERIAL LOSS IAW SRM 51-10-01. (K) - [SDR DHLA200800048](https://openairdocs.org/sdr/DHLA200800048), May 13, 2008: LIGHT. INOPERATIVE. FLT NR 177, FORWARD ENTRY DOOR EMERGENCY LIGHT INOP DURING STBY PWR CHECK. REMOVED AND REPLACED LIGHT ASSY IAW AMM 33-50-01. OPS CHECK NORMAL. AIRCRAFT WAS GROU - [SDR DHL2008788003](https://openairdocs.org/sdr/DHL2008788003), May 2, 2008: STRUCTURE. CRACKED. NR 3 L/E K-FLAP HAS SMALL CRACK ON THE BOTTOM I/B CORNER. REPAIRED SMALL CRACK PER SRM 51-40-0. - [SDR DHL2008785001](https://openairdocs.org/sdr/DHL2008785001), Apr 11, 2008: SKIN. DAMAGED. MULTIPLE LIGHTNING STRIKES FOUND DURING SERVICE CHECK. CUT OUT LIGHTNING STRIKE DAMAGE AT BS 435 TO 440, STR 25R, FABRICATED REPAIR DOUBLER AND INSTALLED DOUBLE - [SDR DHL2008788001](https://openairdocs.org/sdr/DHL2008788001), Mar 25, 2008: SKIN. GOUGED. NR 3 K-FLAP HAS SMALL GOUGE ON LOWER I/B EDGE. DEFECT WAS BLENDED IAW B727SRM 57-50-1 DETAIL 4 GOUGE REMOVED, MINIMAL MATERIAL LOSS. - [SDR DHLA200800029](https://openairdocs.org/sdr/DHLA200800029), Mar 11, 2008: LIGHT. DEFECTIVE. FWD ENTRY L1 DOOR EMERGENCY LIGHT ASSY "ON" IN ARM POSITION, WOULD NOT TURN OFF. REMOVED AND REPLACED FWD ENTRY DOOR EMERGENCY LIGHT ASSY IAW MM 33-50-101. OPS - [SDR DHLA200800020](https://openairdocs.org/sdr/DHLA200800020), Mar 3, 2008: LIGHT. INOPERATIVE. COCKPIT EMERGENCY LIGHT ASSY INOP, BATTERIES OK. REMOVED AND REPLACED PER B727 MM 33-50-101 AND OPS CKS GOOD. AIRCRAFT WAS GROUNDED. - [SDR DHLA200800011](https://openairdocs.org/sdr/DHLA200800011), Jan 30, 2008: SWITCH. LACK OF LUBE. FLT 194, FWD ENTRY DOOR LIGHT DOES NOT ILLUMINATE WITH DOOR OPEN TEST. TRANSFERED TO DMI 31565 IAW MEL 52-4 CAT C PLACARD INSTALLED. CLEANED AND LUBED L1 DOOR W - [SDR DHL2008011702](https://openairdocs.org/sdr/DHL2008011702), Jan 17, 2008: PRESSURE PANEL. DELAMINATED. 15 BY 12 AREA DELAMINATED ON PANEL NR 3455 JUST FWD OF MLG WHEEL WELL AT STA 840. - [SDR DHL2007785021](https://openairdocs.org/sdr/DHL2007785021), Nov 7, 2007: STRINGER. CORRODED. AFT BAG PIT HAS CORROSION WITH EXFOLIATION ON STRINGER 30 RT BS 1172. REMOVED INTERCOSTAL AND FITTING IAW B-727 SRM 51-30-2, CUT OUT DAMAGED STRINGER 30 SECTION - [SDR DHL2007785044](https://openairdocs.org/sdr/DHL2007785044), Nov 6, 2007: SHEAR TIE. CORRODED. SURFACE CORROSION BETWEEN STRINGER 30 AND STRINGER 29R SHEAR TIE BS 1166. REMOVED CORROSION FROM SHEAR TIE IAW B-727 SRM 51-10-6, FOUND CORROSION OUT OF LIMITS - [SDR DHL2007785020](https://openairdocs.org/sdr/DHL2007785020), Nov 6, 2007: SHEAR TIE. CORRODED. SURFACE CORROSION AT LEFT STRINGER 29L BS 1166 SHEAR TIE ATTEND. REMOVED CORROSION IAW B-727 SRM 51-10-6, FOUND CORROSION OUT OF LIMITS IAW B-727 SRM 53-10-1 FI - [SDR DHL2007785019](https://openairdocs.org/sdr/DHL2007785019), Nov 6, 2007: SHEAR TIE. CORRODED. SURFACE CORROSION BEHIND SHEAR TIE BS 1166 LEFT SIDE STRINGER 30. REMOVED CORROSION AT BS 1166 SHEAR TIE STRINGER 30 IAW B-727 SRM 51-10-6, FOUND CORROSION OUT - [SDR DHL2007785017](https://openairdocs.org/sdr/DHL2007785017), Nov 6, 2007: ANGLE. GOUGED. AFT CARGO COMPARTMENT FRAME AT BS 1050 HAS A GOUGE ABOVE STRINGER 27R. CUT OUT DAMAGED AREA, FABRICATED REPAIR ANGLE IAW B-727 SRM 53-10-2 FIGURE 5 AND SRM 51-4 - [SDR DHLA200700055](https://openairdocs.org/sdr/DHLA200700055), Nov 6, 2007: TORQUE BOX. CRACKED. DURING AN"A" CHECK, TORQUE BOX AREA, LIGHTING HOLES AT STA 1223 LT AND RT HAVE SMALL CRACKS 2 AFT AIR STAIR AREA (PREVIOUSLY REJECTED ON NR 138359). CUT OUT DAM - [SDR DHL2007785042](https://openairdocs.org/sdr/DHL2007785042), Nov 5, 2007: ATTACH FITTING. CORRODED. CORROSION WITH EXFOLIATION AT BS 1183, STRINGER 17R ATTACHED FITTING. REMOVED ATTACH FITTING AT STRINGER 17R BS 1183 IAW B-727 SRM 51-30-2. FABRICATED NEW ATTAC - [SDR DHL2007785041](https://openairdocs.org/sdr/DHL2007785041), Nov 5, 2007: SHEAR TIE. CORRODED. SURFACE CORROSION AT STRINGER 25R, BS 1166 SHEAR TIE AFT END. REMOVED CORROSION IAW B-727 SRM 51-10-6, FOUND CORROSION OUT OF LIMITS IAW B-727 SRM 53-10-1. REMO - [SDR DHL2007785032](https://openairdocs.org/sdr/DHL2007785032), Nov 5, 2007: STRINGER. CRACKED. AFT PIT TAIL PIECE OF STRINGER 25R BS 1180 AT SHEAR TIE CRACKED AND EXFOLIATED. REMOVED STRINGER FITTING AT BS 1183 STRINGER 25R IAW B-727 SRM 51-30-2. CUT OUT - [SDR DHL2007785029](https://openairdocs.org/sdr/DHL2007785029), Nov 5, 2007: SKIN. DENTED. PROTRUDING DENT ON NR 7 SLAT INBOARD UPPER SURFACE WING STATION 601. EVALUATED DENT AND FOUND OUT OF LIMITS IAW B-727 SRM 57-50-1 FIGURE 2. REMOVED NR 7 SLAT AC - [SDR DHL2007785046](https://openairdocs.org/sdr/DHL2007785046), Nov 4, 2007: FRAME. CORRODED. SURFACE CORROSION AT BS 1090 ABOVE STRINGER 28R. CUT OUT DAMAGED AREA AT BS 1090 ABOVE STRINGER 28R IAW B-727 SRM 51-40-3 FIGURE 1. FABRICATED NEW FRAME DOUBLER - [SDR DHL2007785016](https://openairdocs.org/sdr/DHL2007785016), Nov 4, 2007: FRAME. DENTED. DENT AT BS 1030 FRAME, JUST OUTBOARD OF STRINGER 27R. REMOVED FASTENERS FROM BS 1030 IAW B-727 SRM 51-30-2, CUT OUT DAMAGED AREAS AND FABRICATED REPAIR ANGLE DO - [SDR DHL2007785031](https://openairdocs.org/sdr/DHL2007785031), Nov 2, 2007: RIB. CRACKED. NR 7 SLAT INBOARD RIB AND OUTBOARD RIB FOR SLAT INBOARD TRACK ARE CRACKED. REMOVED 2 EACH DAMAGED RIBS FROM NR 7 SLAT IAW B-727 SRM 51-30-2. FABRICATED NEW RIBS - [SDR DHL2007785034](https://openairdocs.org/sdr/DHL2007785034), Nov 2, 2007: INTERCOSTAL. DAMAGED. FORWARD CARGO COMPARTMENT INTERCOSTAL AT STRINGER 28R BETWEEN BS 540 AND BS 560 HAS ELONGATED HOLES AT BOTTOM. REMOVED INTERCOSTAL FROM BS 540 TO BS 560 STRINGE - [SDR DHL2007785048](https://openairdocs.org/sdr/DHL2007785048), Nov 1, 2007: STRINGER. CORRODED. FOUND CORROSION ON STRINGER 28R BS 560. REMOVED INTERCOSTALS FROM BS 540 TO BS 580 STRINGER 28R FOR ACCESS IAW B-727 SRM 51-30-2. CUT OUT DAMAGED SECTION OF STR - [SDR DHL2007785033](https://openairdocs.org/sdr/DHL2007785033), Nov 1, 2007: ANGLE. CRACKED. AFT AIRSTAIRS CUT OUT AREA, LOWER SPLICE ANGLE AT BS 1217 RBL 10 IS CRACKED. REMOVED CRACKED SPLICE ANGLE IAW B-727 SRM 51-30-2, FABRICATED NEW ANGLE IAW B-727 - [SDR DHL2007785025](https://openairdocs.org/sdr/DHL2007785025), Nov 1, 2007: SKIN. CORRODED. FORWARD PIT SKIN CORRODED AT ANTENNA CUT OUT BS 510 BETWEEN STRINGER 28L AND 28R. REMOVED FASTENERS AND ANTENNA RING IAW B-727 SRM 51-30-2, REMOVED CORROSION FR - [SDR DHL2007785018](https://openairdocs.org/sdr/DHL2007785018), Nov 1, 2007: SHEAR TIE. CORRODED. SURFACE CORROSION AT SHEAR TIE, BS 950B LEFT SIDE OF STRINGER 30. REMOVED FASTENERS AT BS 950B LEFT SIDE OF STRINGER 30 IAW B-727 SRM 51-30-2. REMOVED CORROSION - [SDR DHL2007785014](https://openairdocs.org/sdr/DHL2007785014), Nov 1, 2007: STRINGER. CORRODED. INTERGRANULAR CORROSION NOTED ON STRINGER 26R AT BS 720E + 19". CUT OUT DAMAGED SECTION IAW B-727 SRM 53-10-2 FIGURE 1. FABRICATED REPAIR FILLER. FABRICATED REP - [SDR 2007785014](https://openairdocs.org/sdr/2007785014), Nov 1, 2007: STRINGER. CORRODED. INTERGRANULAR CORROSION NOTED ON STRINGER 26R AT BS 720E + 19". CUT OUT DAMAGED SECTION IAW B-727 SRM 53-10-2 FIGURE 1. FABRICATED REPAIR FILLER. FABRICATED REP - [SDR DHL2007785010](https://openairdocs.org/sdr/DHL2007785010), Nov 1, 2007: STRINGER. CORRODED. SLIGHT BULGING ON INBOARD SIDE OF STRINGER 27R BS 560 TO BS 567. CUT OUT DAMAGED SECTION OF STRINGER APPROXIMATE DIMENSION 18" LONG IAW B-727 SRM 53-10-3 FIGURE - [SDR DHL2007785045](https://openairdocs.org/sdr/DHL2007785045), Oct 31, 2007: ANGLE. CORRODED. LEFT WHEEL WELL APU SCREEN FORWARD VERTICAL ANGLE HAS CORROSION BS 910. REMOVED NUT PLATES TO GAIN ACCESS IAW B-727 SRM 51-30-2, REMOVED CORROSION IAW B-727 SRM - [SDR DHL2007785039](https://openairdocs.org/sdr/DHL2007785039), Oct 31, 2007: STRINGER SPLICE. CORRODED. SURFACE CORROSION AT STRINGER 28R CHANNEL, FORWARD AND AFT SPLICES BETWEEN BS 1000 TO BS 1015. REMOVED STRINGER SPLICE IAW B-727 SRM 51-30-2, FABRICATED NEW STR - [SDR DHL2007785040](https://openairdocs.org/sdr/DHL2007785040), Oct 30, 2007: BEAM. CORRODED. SURFACE CORROSION AT BS 1183 LOWER HORIZONTAL "I" BEAM INBOARD SIDE JUST AFT OF OUT FLOW VALVE, STRINGER 26R. REMOVED CORROSION IAW B-727 SRM 51-10-6, CORROSION - [SDR DHL2007785027](https://openairdocs.org/sdr/DHL2007785027), Oct 29, 2007: RIB. CRACKED. CRACK INDICATION ON RIGHT WING NR 5 SLAT OUTBOARD AND INBOARD ACTUATOR ROD END MOUNT BRACKET, PREVIOUSLY REPAIRED. REMOVED SLAT ACCESS PANELS TO GAIN ACCESS IAW - [SDR DHL2007785022](https://openairdocs.org/sdr/DHL2007785022), Oct 29, 2007: SHEAR TIE. CORRODED. SURFACE CORROSION AT BS 1130 LEFT OF STRINGER 29L. REMOVED FASTENERS FOR CORROSION REMOVAL AT BS 1130 BETWEEN STRINGER 29L AND 28L AT SHEAR TIE AREA IAW B-727 S - [SDR DHL2007785043](https://openairdocs.org/sdr/DHL2007785043), Oct 27, 2007: SHEAR TIE. CORRODED. SURFACE CORROSION AT RIGHT STRINGER 27L BS 1166 SHEAR TIE AFT SIDE. REMOVED CORROSION AT BS 1166 STRINGER 27L IAW B-727 SRM 51-10-6 FOUND CORROSION OUT OF LIMIT - [SDR DHL2007785015](https://openairdocs.org/sdr/DHL2007785015), Oct 27, 2007: STRINGER. CORRODED. FORWARD PIT BS 720F TO BS 740 STRINGER 27R SHOWS CORROSION. REMOVED CORROSION AT BS 720F TO BS 740 STRINGER 27R IAW B-727 SRM 51-10-6, CORROSION FOUND OUT OF LI - [SDR DHL200785015](https://openairdocs.org/sdr/DHL200785015), Oct 27, 2007: STRINGER. CORRODED. FORWARD PIT BS 720F TO BS 740 STRINGER 27R SHOWS CORROSION. REMOVED CORROSION AT BS 720F TO BS 740 STRINGER 27R IAW B-727 SRM 51-10-6, CORROSION FOUND OUT OF LI - [SDR 2007785015](https://openairdocs.org/sdr/2007785015), Oct 27, 2007: STRINGER. CORRODED. FORWARD PIT BS 720F TO BS 740 STRINGER 27R SHOWS CORROSION. REMOVED CORROSION AT BS 720F TO BS 740 STRINGER 27R IAW B-727 SRM 51-10-6, CORROSION FOUND OUT OF LI - [SDR DHL2007785026](https://openairdocs.org/sdr/DHL2007785026), Oct 26, 2007: SKIN. PUNCTURED. RIGHT ELEVATOR LOWER SKIN PUNCTURED AT ELEVATOR STATION 35.55. REMOVED FASTENERS AT RIGHT ELEVATOR LOWER SKIN STATION 35.55 IAW B-727 SRM 51-30-2, CUT OUT SKIN - [SDR DHL2007785035](https://openairdocs.org/sdr/DHL2007785035), Oct 24, 2007: STRINGER. CRACKED. FOUND CRACK IN TWO PLACES AT STRINGER 28R BETWEEN BS 480 TO BS 520. CUT OUT STRINGER 28R SECTION AND FABRICATED NEW STRINGER SECTION AND REPAIR SPLICE IAW B-727 - [SDR DHL2007785037](https://openairdocs.org/sdr/DHL2007785037), Oct 23, 2007: TRUNNION. CORRODED. LT NLG TRUNNION AND LOWER CAP BORE HAS PITTING CORROSION. CLEANED LT NLG TRUNNION AS REQUIRED IAW B-727 MM 12-40-0. CORROSION FOUND, REQUIRES REPAIR IAW B-727 S - [SDR DHL2007785036](https://openairdocs.org/sdr/DHL2007785036), Oct 23, 2007: TRUNNION. CORRODED. RT NLG TRUNNION AND LOWER CAP BORE HAS PITTING CORROSION. CLEANED RT NLG TRUNNION IAW BSOPM 20-30-05 AFTER FURTHER EVALUATION FOUND CORROSION ON SUPPORT LOWER C - [SDR DHL2007785013](https://openairdocs.org/sdr/DHL2007785013), Oct 23, 2007: SHEAR TIE. CRACKED. FORWARD PIT RIGHT BS 720 BETWEEN STRINGER 27R AND 28R FRAME CRACKED AT BOTTOM FLANGE. FABRICATED FRAME SHEAR TIE REPAIR FROM 7075-T6 .063" PO NR 9005685 APPROXI - [SDR DHL2007785012](https://openairdocs.org/sdr/DHL2007785012), Oct 23, 2007: STRINGER. DAMAGED. MISDRILLED HOLE IN STRINGER 28R BS 695. REMOVED FASTENERS AT BS 695 STRINGER 28R, CUT OUT DAMAGED AREA IAW B-727 SRM 53-10-3 FIGURE 1. FABRICATED FILLER. FABRIC - [SDR DHL2007785028](https://openairdocs.org/sdr/DHL2007785028), Oct 19, 2007: STRUCTURE. CRACKED. NR 4 KRUEGER FLAP LOWER INBOARD END CRACKED WING STATION 131. CUT OUT CRACKED AREA, FABRICATED REPAIR PLATE, REPAIR FILLER AND REPAIR ANGLE IAW B-727 SRM 57-50- - [SDR DHL2007785047](https://openairdocs.org/sdr/DHL2007785047), Oct 17, 2007: ANGLE. CORRODED. FOUND SURFACE CORROSION ON FORWARD PIT FUSELAGE SKIN AT BASE OF INTERCOSTAL BS 480-500 STRINGER 28R. REMOVED CORROSION IAW B-727 SRM 51-10-6, FOUND OUT OF LIMIT - [SDR DHL2007785038](https://openairdocs.org/sdr/DHL2007785038), Oct 17, 2007: SHEAR TIE. CORRODED. CORROSION WITH SOME EXFOLIATION ON SHEAR TIE BS 500 BETWEEN STRINGER 28R AND STRINGER 28L. REMOVED CORROSION IAW B-727 SRM 51-10-6, FOUND OUT OF LIMITS IAW B-72 - [SDR DHL2007785008](https://openairdocs.org/sdr/DHL2007785008), Oct 17, 2007: SHEAR TIE. CORRODED. SURFACE CORROSION ON FORWARD PIT SHEAR TIE BS 520 BETWEEN STRINGER 28L AND 28R. REMOVED FASTENERS IN AREA TO GAIN ACCESS IAW B-727 SRM 51-30-2, REMOVED CORROSIO All 296: https://openairdocs.org/model/boeing-727-214/reports.md ## 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-727-214/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.