# Boeing 727-173C

- Type: Aircraft model (FAA registry)
- Registry code: 1384059
- Manufacturer (registry): BOEING
- Model: 727-173C
- 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-727-173c

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 2016-19-16](https://openairdocs.org/ad/2016-19-16): Doors · Boeing 707-300 Series, 707-300B Series, 707-300C Series and 3 more. Effective Jan 9, 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 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 2009-05-03](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 2008-17-14](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 2008-11-09](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
- [AD 2008-02-13](https://openairdocs.org/ad/2008-02-13): External high frequency eddy current (HFEC) inspections · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Feb 28, 2008
- [AD 2007-21-04](https://openairdocs.org/ad/2007-21-04): Aft pressure bulkhead web · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Nov 16, 2007
- [AD 2007-12-14](https://openairdocs.org/ad/2007-12-14): Forward entry door · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Jul 16, 2007
- [AD 2006-13-16](https://openairdocs.org/ad/2006-13-16): Left and right outboard aileron balance tabs · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more. Effective Aug 1, 2006
- [AD 2006-09-03](https://openairdocs.org/ad/2006-09-03): Mid-cabin galley doorway · Boeing 727-100 Series, 727-100C Series, 727 Series and 1 more. Effective May 31, 2006

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 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 83-02-09](https://openairdocs.org/ad/83-02-09) (historical): Main Cargo Doorskin Inspection · Boeing 707 Series (all), 727-100 Series, 727-100C Series and 1 more. Effective Mar 31, 1983

All 261: https://openairdocs.org/model/boeing-727-173c/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 (1)

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 OAK77IA006](https://openairdocs.org/ntsb/OAK77IA006), Nov 21, 1976: Boeing 727 (N691WA), San Francisco, CA, incident, minor damage

## FAA accident and incident reports (2)

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 19940712033039I](https://openairdocs.org/incident/19940712033039I), Jul 12, 1994: Boeing 727 (N199FE), Pittsburgh, PA. Diverted to pit with engine shutdown due low oil quantity. Third incident of oil leakage in three days.
- [Incident 19911120060909I](https://openairdocs.org/incident/19911120060909I), Nov 20, 1991: Boeing 727173C (N938UP), Wichita, KS. NR1 engine start valve open light illuminated on descent. Found loose connector on NR1 engine start valve.

## Service difficulty reports (436, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR UPS06247400](https://openairdocs.org/sdr/UPS06247400), Jul 24, 2006: BATTERY. INOPERATIVE. FLIGHT DECK PORTABLE EMERGENCY LIGHT DIMS RAPIDLY AFTER EMERGENCY LIGHTS ARE TURNED ON FOR TEST. FOUND DURING PRE-DEPARTURE CHECK. THE TWO BATTERIES WERE DATED 
- [SDR XN0A1328](https://openairdocs.org/sdr/XN0A1328), May 7, 2006: CONTROL VALVE. MALFUNCTIONED. INBOARD TRAILING EDGE FLAPS RETRACT TO 5 DEGREES AND STOP-SPLIT FLAP. REPLACED INBOARD FLAP CONTROL VALVE IAW B727 MM CHAPTER 27-51-51. OPS AND LEAK CHECKS GOOD
- [SDR UPS06246470](https://openairdocs.org/sdr/UPS06246470), Mar 19, 2006: BATTERY. INOPERATIVE. EMERGENCY EXIT LIGHT AT ENTRY (L1) INOP. INSTALLED SERVICABLE BATTERIES REF MM 33-50-67-2 AS REQUIRED. OPS CK GOOD.
- [SDR UPS06246065](https://openairdocs.org/sdr/UPS06246065), Jan 17, 2006: STIFFENER. CORRODED. INSPECTION TYPE:C&SI TRANSVERS STIFFENER AT BS 745 ABOVE BREATHER WEB AT BS 745 IN DELTA BEAM AREA FOUND CORRODED ON REMOVAL. PLEASE REMOVE CORROSION, REINSPECT
- [SDR UPS06246069](https://openairdocs.org/sdr/UPS06246069), Jan 14, 2006: SKIN. DAMAGED. INSPECTION TYPE:C&SI FUSELAGE SKIN DAMAGE BETWEEN BS 1148 AND 1166 AND BETWEEN S11-13 LT. REPAIR CARRIED OUT IAW MM 51-20-01 AND SRM 53-30-03.
- [SDR UPS06246068](https://openairdocs.org/sdr/UPS06246068), Jan 14, 2006: SHEAR TIE. DAMAGED. INSPECTION TYPE:C&SI TO AID SKIN REPAIR FUSELAGE FRAME SKIN ATTACH ANGLES AT BS 1148 AND 11 66 BETWEEN S11 AND 13 LT REQUIRED AND REPAIR IAW SRM REPAIR CARRIED 
- [SDR UPS06246067](https://openairdocs.org/sdr/UPS06246067), Jan 12, 2006: WEB. CORRODED. INSPECTION TYPE:C&SI AREA OF SUSPECT CORROSION ON UPPER SURFACE OF DELTA BEAM BREATHER WEB BS 745 RBL 15. CORROSION FOUND BETWEEN INTERNAL DOUBLER AND SKIN DEEM
- [SDR UPS06246027](https://openairdocs.org/sdr/UPS06246027), Jan 12, 2006: FLOORBEAM. CORRODED. C-CHECK SI REF. NRC 100662 FLOORBEAM TOP CHORD CORROSION WAS REMOVED BS 344 AND FOUND OUTSIDE LIMITS OF SRM . REPLACE TOP CHORD SECTION RBL 80 - LBL 66 . REF SR
- [SDR UPS06246088](https://openairdocs.org/sdr/UPS06246088), Jan 10, 2006: CARRIAGE. CORRODED. INSPECTION TYPE:C&SI NR 7 FLAP CARRIAGE HAS CORROSION ON I/B FACE AT OB AFT LARGE BEARING HOLE, AND WEAR IN I/B AND OB FWD AND AFT SIDE BEARING BRACKETS ATTACH 
- [SDR UPS06246031](https://openairdocs.org/sdr/UPS06246031), Jan 10, 2006: BEAM. CORRODED. INSPECTION TYPE:C AND CORROSION ON UPPER OB SURFACE OF LONGITUDINAL BEAM LWR. CHORD AT BS 7 45 WIRE LOOM ATTACH ANCHOR NUT AT LBL 20. PLS REMOVE ANCHOR NUT, REM
- [SDR UPS06246012](https://openairdocs.org/sdr/UPS06246012), Jan 10, 2006: CARRIAGE. CORRODED. C-CHECK AND SI NR 8 FLAP CARRIAGE HAS CORROSION IN SPINDLE BORE. NR 8 FLAP CARRIAGE REPLACED IAW MM 27-51-13.
- [SDR UPS06246011](https://openairdocs.org/sdr/UPS06246011), Jan 10, 2006: CARRIAGE. CORRODED. INSPECTION C-CHECK AND SI SEVERAL AREAS OF CORROSION ON NR 3 FLAP CARRIAGE. NR3 FLAP CARRIAGE REPLACED IAW MM 27-51-03.
- [SDR UPS06246026](https://openairdocs.org/sdr/UPS06246026), Jan 8, 2006: STIFFENER. CORRODED. C-CHECK AND SI LIGHT SURFACE CORROSION ON AFT OF 870 B/H RT ON OB STIFFENER 20 INCHES UP FROM BOTTOM EDGE B/H CORROSION REMOVED IAW SRM 51-10-6 AND FOUND TO BE 
- [SDR UPS06246025](https://openairdocs.org/sdr/UPS06246025), Jan 8, 2006: STIFFENER. CORRODED. C-CHECK AND SI LIGHT SURFACE CORROSION ON AFT 870 LT OB STIFFENER 21 INCHES UP FROM BOTTOM EDGE OF LT. CORROSION REMOVED IAW SRM 51-10-6 AND FOUND TO BE OUTSIDE
- [SDR UPS06246066](https://openairdocs.org/sdr/UPS06246066), Jan 6, 2006: FLOOR SUPPORT. CRACKED. INSPECTION TYPE:C&SI FLOOR STRINGER IN FWD CARGO COMPARTMENT BETWEEN FR 620 AND FR 640 LBL 14 IS CRACKED. DAMAGED FLOOR STRINGER SECTION REMOVED IAW SRM 51-10-0
- [SDR UPS06246028](https://openairdocs.org/sdr/UPS06246028), Jan 6, 2006: SKIN. CORRODED. INSPECTION TYPE C AND IS EVIDENCE OF CORROSION BETWEEN FUSELAGE SKIN AND STRINGER 4R AT BS 1040 AT INTERIOR AREA OF FUSELAGE. AREA DIVERTED IAW SRM 51-30-02. CO
- [SDR UPS06246016](https://openairdocs.org/sdr/UPS06246016), Jan 6, 2006: SKIN. CORRODED. C-CHECK AND SI EVIDENCE OF CORROSION BETWEEN FUSELAGE SKIN AND STRINGER 4 R AT BS 101 0 AT INTERIOR AREA OF FUSELAGE. AREA DERIVETED IAW SRM 51-30-02. CORROSION
- [SDR UPS06246014](https://openairdocs.org/sdr/UPS06246014), Jan 6, 2006: SKIN. CORRODED. INSPECTION C-CHECK AND SI EVIDENCE OF SURFACE CORROSION BETWEEN FUSELAGE SKIN AND STRINGER 4R AT BS 990 AT INTERIOR AREA OF FUSELAGE. AREA DERIVATED IAW SRM 51-
- [SDR UPS06246087](https://openairdocs.org/sdr/UPS06246087), Jan 5, 2006: SKIN. CRACKED. INSPECTION TYPE:C&SI ENG, NR 1 PYLON SKIN CRACKED AT LEADING EDGE INBOARD SIDE. REPAIR OR REPLACE SKIN. ON REMOVAL OF NR 1 PYLON AND BULLNOSE SEAL IAW SRM 51-30
- [SDR UPS06246032](https://openairdocs.org/sdr/UPS06246032), Jan 5, 2006: SKIN. CRACKED. INSPECTION TYPE:C AND IS SUSPECT SKIN CRACK AT FASTENER HOLE SECTION 41 RT AT BS 239 S15R. PL S. CARRY OUT NDI AND RECTIFY IF NECESSARY IAW SRM HFEC INSP. CARRI
- [SDR UPS06246030](https://openairdocs.org/sdr/UPS06246030), Jan 5, 2006: LAP JOINT. CORRODED. INSPECTION TYPE:C AND CORROSION EVIDENT AT LAP JOINT S4R BS 940 TO 920. PLS. CARRY OUT NDI O N LAP JOINT BS 1080 TO 870. RE-INSPECT AND RECTIFY IAW EO APPENDIX 
- [SDR UPS06246029](https://openairdocs.org/sdr/UPS06246029), Jan 5, 2006: LAP JOINT. CORRODED. INSPECTION TYPE:C AND IS CORROSION EVIDENT AT LAP JOINT S4 RT BS 1010 TO 990. PLS. CARRY OUT N DI ON LAP JOINT BS 1080 TO 870 RE-INSPECT AND RECTIFY IAW EO APPE
- [SDR UPS06246086](https://openairdocs.org/sdr/UPS06246086), Jan 4, 2006: SKIN. CRACKED. INSPECTION TYPE-C AND IS SUSPECT SKIN CRACK AT UPPER FWD CORNER OF FWD ENTRY DOOR CUT OUT BETWEEN STR 7 AND 8L PLS. CARRY UT NDI AND RECTIFY AS NECESSARY IAW SR
- [SDR XN0A1268](https://openairdocs.org/sdr/XN0A1268), Sep 25, 2005: ACTUATOR. LEAKING. LOSS OF HYDRAULIC SYSTEM "A" QUANTITY TO ZERO. REMOVED AND REPLACED LT NR 3 STAT ACTUATOR LEAK AND OPS CHECK GOOD IAW MM 27-81-32.
- [SDR XNOA1233](https://openairdocs.org/sdr/XNOA1233), May 1, 2005: CONNECTOR. DIRTY. NR 2 LOW OIL PRESSURE LIGHT ILLUMINATED DURING TAXI & WOULD NOT EXTINGUISH. CLEANED CONNECTOR ON NR 2 LOW OIL PRESSURE SWITCH, OPS CHECKED GOOD ON ENGINE RUN-UP
- [SDR UPS04243607](https://openairdocs.org/sdr/UPS04243607), Dec 15, 2004: METERING VALVE. MALFUNCTIONED. BRAKES DO NOT SEEM TO RELEASE AFTER BRAKE APPLICATION A/C COMES TO COMPLETE STOP AND HAVE TO ADD POWER TO TAXI A/C. ALSO, SEE L/P 694861 ITEM 2 ADJUSTED LT MLG 
- [SDR UPS04243376](https://openairdocs.org/sdr/UPS04243376), Oct 20, 2004: OXYGEN MASK. INOPERATIVE. INSPECTION TYPE:N/A, 2ND OBSERVER O2 MASK INOP. REMOVED AND REPLACED 2ND OBSERVER O2 MASK IAW 35-11-41. OPS & LEAK CHECK GOOD. PLACARD REMOVED. DEFERRAL CLOSED 
- [SDR UPS04243199](https://openairdocs.org/sdr/UPS04243199), Sep 17, 2004: RIB. CORRODED. INSPECTION TYPE: C, EXFOLIATION CORROSION FOUND ON FIXED WING L/E RIB LOWER CHORDS AT LES 236.217 AND LES 243.977. REMOVED CHORDS ON ABOVE AREA IAW SRM 51-30-02
- [SDR UPS04243173](https://openairdocs.org/sdr/UPS04243173), Sep 14, 2004: ACCESS PANEL. DELAMINATED. INSPECTION TYPE:C, RIGHT WING ACCESS PANEL NR 8640 DELAM ALONG EDGE AND SUSPECT CRACK ON LWR SURFACE. DAMAGED AREA CUT OUT AND REPAIRED IAW SRM 51-40-20.
- [SDR UPS04243172](https://openairdocs.org/sdr/UPS04243172), Sep 14, 2004: PANEL. DELAMINATED. INSPECTION TYPE:C, RIGHT WING UPPER SURFACE T/E PANEL DELAM ON UPPER SURFACE AT I/B AFT CORNER. PANEL REPLACED IAW MM 20-80-01.
- [SDR UPS04243204](https://openairdocs.org/sdr/UPS04243204), Sep 13, 2004: SKIN. CORRODED. INSPECTION TYPE:C, NR 4 KRUEGER FLAP HAS CORROSION ON INNER SURFACE BELOW ACTUATOR ATTACH AREA. CORROSION REMOVED AND FOUND TO BE BEYOND LIMITS IAW SRM 57-50-01
- [SDR UPS04243218](https://openairdocs.org/sdr/UPS04243218), Sep 10, 2004: SKIN. CORRODED. INSPECTION TYPE: C, AREA OF LITE SURFACE CORROSION AROUND FASTENER HEADS ON HORIZ FLANGE OF RT WING UPPER SPLICE PLATE AT BS 850. FASTENER REMOVED IAW SRM 51-30
- [SDR UPS04243216](https://openairdocs.org/sdr/UPS04243216), Sep 10, 2004: PLATE. CORRODED. INSPECTION TYPE: C, LIGHT SURFACE CORROSION AROUND FASTENER HEAD ON HORIZ FLANGE OF LT WING UPPER SPLICE PLATE AT BS 848. FASTENER REMOVED IAW SRM 51-30-02. COR
- [SDR UPS04243211](https://openairdocs.org/sdr/UPS04243211), Sep 10, 2004: SKIN. CRACKED. INSPECTION TYPE: C, SUSPECT CRACK ON ANTI ICE SKIN AT I/B LOWER CORNER OF NR 3 KRUEGER FLAP. SKIN REPLACED IAW DRAWING 65-16225.
- [SDR UPS04243210](https://openairdocs.org/sdr/UPS04243210), Sep 10, 2004: STRUCTURE. CORRODED. INSPECTION TYPE:C, PITTING CORROSION ON NR 3 KRUEGER FLAP BULLNOSE AT O/B LOWER MOUNT LUG. BULLNOSE REPLACED IAW OHM 57-51-21.
- [SDR UPS04243205](https://openairdocs.org/sdr/UPS04243205), Sep 10, 2004: SKIN. CRACKED. INSPECTION TYPE:C, SUSPECT CRACK ON NR 7 SLAT OUTER SKIN AT O/B HOOK. HFEC CARRIED OUT ON SUSPECT CRACK IAW B727 NDTM 51-00-00 PT 6 FIG 4, 3 CRACKS NOTED AND MA
- [SDR UPS04243238](https://openairdocs.org/sdr/UPS04243238), Sep 9, 2004: FRAME. CRACKED. INSPECTION TYPE:C, SUSPECT CRACK ON WING CENTER SECTION AT BS 775 RBL 45 ON LOWER FLANGE. HFEC CARRIED OUT IAW NDT M 51-00-00. RESULT - CRACKS CONFIRMED. FWD SE
- [SDR UPS04243237](https://openairdocs.org/sdr/UPS04243237), Sep 9, 2004: BOLT. CORRODED. INSPECTION TYPE: C, NR 2 ENG MOUNT FITTING RIGHT SIDE HAS ONE CORRODED ATTACH BOLT ON UPPER SURFACE OF HORIZONTAL FIRE WALL. BOLT REPLACED.
- [SDR UPS04243213](https://openairdocs.org/sdr/UPS04243213), Sep 9, 2004: STRINGER. CORRODED. INSPECTION TYPE: C, CORROSION ON WING CENTER SECTION UPPER SKIN AT STR 10C RBL 65 BS 810. CLEANED CORROSION IAW SRM 51-10-01. HFEC CARRIED OUT IAW B727-NDTM -5 
- [SDR UPS04243212](https://openairdocs.org/sdr/UPS04243212), Sep 9, 2004: SKIN. CORRODED. INSPECTION TYPE: C, CORROSION ON WING CENTER SECTION UPPER SKIN BETWEEN STR 12-13C RBL 65 BS 795 IN THE AREA INTERFACING WITH Y FLANGE FITTING. CORROSION REMOVE
- [SDR UPS04243209](https://openairdocs.org/sdr/UPS04243209), Sep 9, 2004: STRINGER. CORRODED. INSPECTION TYPE:C CORROSION ON LOWER FLANGE OF STR 18A AT BS 850 RT VAPOR SEAL REMOVED FOR ACCESS IAW MM 51-30-00. CORROSION REMOVED ON LOWER FLANGE OF STR 18A 
- [SDR UPS04243182](https://openairdocs.org/sdr/UPS04243182), Sep 9, 2004: STRINGER. CORRODED. INSPECTION TYPE:C, CORROSION ON LOWER FLANGE OF STR 18A AT BS 850 LT SIDE CORROSION REMOVED IAW SRM 51-10-02. HFEC CARRIED OUT IAW B727NDTM 51- 00-00 PT 6 FIG 4
- [SDR UPS04243177](https://openairdocs.org/sdr/UPS04243177), Sep 9, 2004: TAB. DELAMINATED. INSPECTION TYPE:C, DELAMINATION FOUND ON RIGHT ELEVATOR TAB. REPLACED RIGHT ELEVATOR TAB.
- [SDR UPS04243245](https://openairdocs.org/sdr/UPS04243245), Sep 8, 2004: SPAR. CORRODED. INSPECTION TYPE:C, EVIDENCE OF INTERGRANULAR CORROSION ON REAR SPAR UPPER CHORD, RIGHT WING BETWEEN WS 290-320 APPROX. REPAIR CARRIED OUT IAW UPS EO B727-5710-1
- [SDR UPS04243243](https://openairdocs.org/sdr/UPS04243243), Sep 8, 2004: SKIN. DELAMINATED. INSPECTION TYPE:C, DELAM ON RIGHT O/B MIDFLAP T/E WEDGE FWD FACE I/B OF NR 2 AFT FLAP TRACK. DELAM OUT OF LIMITS. MIDFLAP REPLACED IAW MM 27-51-12.
- [SDR UPS04243184](https://openairdocs.org/sdr/UPS04243184), Sep 8, 2004: SKIN. DEFORMED. INSPECTION TYPE:C, SKIN DEFORMATION AT STR 11R BS 1342 (RT SIDE OF NR 2 ENGINE FIREWALL). CUT OUT DAMAGED SECTION OF SKIN & PREVIOUS REPAIR DOUBLER REMOVED IAW 
- [SDR UPS04243220](https://openairdocs.org/sdr/UPS04243220), Sep 8, 2004: SPAR. CORRODED. INSPECTION TYPE:C EVIDENCE OF INTERGRANULAR CORROSION ON REAR SPAR UPPER CHORD LEFT WING AT WBL 245. HFEC CARRIED OUT IAW B727 NDTM 51-00-00 PT 6 FIG 4. CORROSI
- [SDR UPS04243208](https://openairdocs.org/sdr/UPS04243208), Sep 8, 2004: STRUCTURE. CRACKED. INSPECTION TYPE: C, LOWER LEFT WING, FIXED WING STRUCTURE WHICH SECURES NR 3 FLAP TRACK FAIRING IS CRACKED ON BOTH I/B AND O/B SIDES. HFEC CARRIED OUT ON SUSPEC
- [SDR UPS04243206](https://openairdocs.org/sdr/UPS04243206), Sep 8, 2004: PANEL. DELAMINATED. INSPECTION TYPE:C DELAM ON RT WING T/E PANEL LOWER SURFACE OF WING BELOW NR 13 SPOILER. REPAIRED DELAM ON PANEL IAW SRM 51-40-20.
- [SDR UPS04243175](https://openairdocs.org/sdr/UPS04243175), Sep 8, 2004: PANEL. DELAMINATED. INSPECTION TYPE:C, PANEL NR 3512 LT REQUIRES COMPOSITE REPAIR. PANEL REPAIRED IAW SRM 51-40-9.

All 436: https://openairdocs.org/model/boeing-727-173c/reports.md

## STCs that may be installed (OpenAirDocs) (619, 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. Lists 727-100 Series
- [STC ST00020AT](https://openairdocs.org/stc/ST00020AT): Installation of expanded parameters flight data recorder. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists 727-100 Series
- [STC ST02992AT-D](https://openairdocs.org/stc/ST02992AT-D): Installation of Rockwell Collins WXR-2100 Multiscan Weather Radar. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists 727-100 Series
- [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 SA5040NM](https://openairdocs.org/stc/SA5040NM): Installation of cargo pallet and net. Satco Inc. Lists 727-100 Series
- [STC ST03450AT](https://openairdocs.org/stc/ST03450AT): Installation of a horse stall system. Gregory Jackson. Lists 727-100 Series
- [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. Lists 727-100 Series
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC SA1078NW](https://openairdocs.org/stc/SA1078NW): Installation of C&D coat closet, L.H. forward unit. Safran Cabin Inc. Lists 727-100 Series
- [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. Lists 727-100 Series
- [STC SA2480NM](https://openairdocs.org/stc/SA2480NM): Installation of divider assembly, closet assembly, cabinet assembly, coatroom assembly. Safran Cabin Inc. Lists 727-100 Series
- [STC SA3111NM](https://openairdocs.org/stc/SA3111NM): Installation of C&D Plastics closet, P/N 1891001-103; cabinet, P/N1871001-501; class divider, P/N 1851001-102. Safran Cabin Inc. Lists 727-100 Series
- [STC SA3299NM](https://openairdocs.org/stc/SA3299NM): Installation of an overhead life raft stowage compartment kit. Safran Cabin Inc. Lists 727 Series
- [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. Lists 727-100 Series
- [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. Lists 727-100 Series
- [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 ST01271CH](https://openairdocs.org/stc/ST01271CH): Installation of Automatic Dependent Surveillance-Broadcast (ADS-B) Provisions and a single Honeywell Mode-S transponder. Amphenol Cable and Interconnect Technologies, Inc. Lists 727-100 Series
- [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. Lists 727-100 Series
- [STC ST00215IB](https://openairdocs.org/stc/ST00215IB): Installation of saf-Tglo ECO Photoluminescent Aisle Path Marking Systems. STG AEROSPACE GERMANY GmbH. Lists 727-100 Series
- [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. Lists 727 Series
- [STC ST01641AT](https://openairdocs.org/stc/ST01641AT): Installation of a photoluminescent floor proximity emergency escape path marking system. STG Aerospace Inc. Lists 727-100 Series
- [STC ST00448SE](https://openairdocs.org/stc/ST00448SE): The above Boeing model which has incorporated Raisbeck Commercial Air Group, Inc, Master Drawing List 97B-7001, Revision C, dated July 14, 1997, or later FAA approved revision, complies with FAR Part 36, Stage 3 noise limits. Raisbeck Enginnering Inc. Lists 727-100 Series
- [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. Lists 727-100 Series
- [STC ST04562NY](https://openairdocs.org/stc/ST04562NY): Installation of saf-Tglo® SuperSeal UltraLite-X (SSUL-X) Photoluminescent Floor Proximity Emergency Escape Path Marking Systems. STG AEROSPACE GERMANY GmbH. Lists 727-100 Series
- [STC ST02843AT](https://openairdocs.org/stc/ST02843AT): Installation of a Honeywell Model TRA-67 Mode-S Transponder and Honeywell Model CAS-81 Traffic Alert and Collision Avoidance System II (TCAS II). Woven Electronics, LLC. Lists 727-100 Series
- [STC ST00098IB](https://openairdocs.org/stc/ST00098IB): Introduction of ADS-B Out. STC Twenty One Limited
- [STC ST02006AT](https://openairdocs.org/stc/ST02006AT): Installation of a Honeywell (formally Allied Signal) 18 Channel Flight Data Recorder (Upgrade) for aircraft not containing a Flight Data Acquiring Unit (FDAU). Woven Electronics, LLC. Lists 727-100 Series
- [STC ST02896AT](https://openairdocs.org/stc/ST02896AT): Installation of a Kannad Model 406-AF Emergency Locator Transmittter (ELT). Woven Electronics LLC. Lists 727-100 Series
- [STC ST02580AT](https://openairdocs.org/stc/ST02580AT): Lithium cell battery pack to replace currently approved alkaline battery pack used in escape slide emergency light system. Astronics Luminescent Systems Inc
- [STC ST02929AT](https://openairdocs.org/stc/ST02929AT): Installation of an Artex Model C406-1 Emergency Locator Transmitter (ELT). Woven Electronics LLC. Lists 727-100 Series
- [STC ST04524AT](https://openairdocs.org/stc/ST04524AT): Installation of Ignition Mitigation Means (IMM) using Reticulated Polyurethane Foam (RPF) inside the auxiliary fuel tank system. Jetaire Aerospace LLC
- [STC SA1220NW](https://openairdocs.org/stc/SA1220NW): Installation of Universal flight data recorder. Honeywell International Inc
- [STC SA857NW](https://openairdocs.org/stc/SA857NW): Installation of Sundstrand performance advisory display(SPAD) system. Honeywell International Inc. Lists 727-100 Series
- [STC ST00166AT](https://openairdocs.org/stc/ST00166AT): Installation of a CAS-81 TCAS II and dual TRA-67 Mode S transponders. Honeywell International Inc. Lists 727-100 Series
- [STC ST00535SE](https://openairdocs.org/stc/ST00535SE): Installation of the MK VII Enhanced Ground Proximity Warning System. Honeywell International Inc. Lists 727-100 Series
- [STC ST00595AT](https://openairdocs.org/stc/ST00595AT): Installation of a RDR-4B Weather Radar/Windshear System. Honeywell International Inc. Lists 727-100 Series
- [STC ST02112AT](https://openairdocs.org/stc/ST02112AT): Installation of an RTA-83A VHF Communication System. Honeywell International Inc. Lists 727-100 Series
- [STC SA7592SW](https://openairdocs.org/stc/SA7592SW): Remanufacture AiResearch P/N 176840-1 Bleed Air Precooler Assembly by replacing the core assembly. Honeywell International Inc. Lists 727-100 Series
- [STC SA1281NW](https://openairdocs.org/stc/SA1281NW): Installation of spacemaker II interior modification kit. Safran Cabin Inc
- [STC SA2399NM](https://openairdocs.org/stc/SA2399NM): Installation of a closet. Aviation Technical Services
- [STC ST09157SC](https://openairdocs.org/stc/ST09157SC): Installation of dual Trimble TNL8100 GPS Navigation Systems interfaced to existing instruments and autopilot. Honeywell International Inc. Lists 727-100 Series

All 619: https://openairdocs.org/model/boeing-727-173c/stcs.md

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Boeing 727-109C](https://openairdocs.org/model/boeing-727-109c): 0 registered aircraft, registry code 1384034
- [Boeing 727-100C](https://openairdocs.org/model/boeing-727-100c): 0 registered aircraft, registry code 1384037
- [Boeing 727-113C](https://openairdocs.org/model/boeing-727-113c): 0 registered aircraft, registry code 1384038
- [Boeing 727-108C](https://openairdocs.org/model/boeing-727-108c): 0 registered aircraft, registry code 1384039
- [Boeing 727-116C](https://openairdocs.org/model/boeing-727-116c): 0 registered aircraft, registry code 1384046
- [Boeing 727-134C](https://openairdocs.org/model/boeing-727-134c): 0 registered aircraft, registry code 138404H
- [Boeing 727-121C](https://openairdocs.org/model/boeing-727-121c): 0 registered aircraft, registry code 138404I
- [Boeing 727-151C](https://openairdocs.org/model/boeing-727-151c): 0 registered aircraft, registry code 138404V
- [Boeing 727-155C](https://openairdocs.org/model/boeing-727-155c): 0 registered aircraft, registry code 138404Z
- [Boeing 727-172C](https://openairdocs.org/model/boeing-727-172c): 0 registered aircraft, registry code 1384058
- [Boeing 727-180C](https://openairdocs.org/model/boeing-727-180c): 0 registered aircraft, registry code 138406G
- [Boeing 727-185C](https://openairdocs.org/model/boeing-727-185c): 0 registered aircraft, registry code 138406N

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