# N720CK: 1977 Boeing 727-200

- Status: Valid registration
- Airframe: [Boeing 727-200](https://openairdocs.org/model/boeing-727-200) (registry code 138407E, 134 seats)
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 21298
- Year built: 1977
- Type: Fixed wing multi engine
- Engine type: Turbo-jet
- Certificate issued: December 21, 2009
- Expires: January 31, 2029
- Mode S code: A9A3C8
- Registered owner: [Kalitta Charters II LLC](https://openairdocs.org/faa-owner/KALITTA%20CHARTERS%20II%20LLC)
- Location: [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti)
- Owner type: LLC
- Owner's area on the map: 42.2751° N, 83.5863° W: Placed by OpenAirDocs at the center of ZIP code 48198, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=720CK
- Page: https://openairdocs.org/aircraft/N720CK

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 268 in force

### Matched by airframe (Boeing 727-200)

- [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/aircraft/N720CK/ads.md

## Information bulletins (advisory) (7 in force)

- [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

## 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 DCA19LA070](https://openairdocs.org/ntsb/DCA19LA070), Jan 29, 2019: Boeing 727 200 (N720CK), Tuscaloosa, AL, substantial damage. Probable cause: the captain's decision to continue the landing with an unsafe gear indication.

## 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.

- [Accident 20190128016539A](https://openairdocs.org/incident/20190128016539A), Jan 28, 2019: Boeing 727-200 (N720CK), Tuscaloosa, AL, Substantial damage. N720CK landed on runway 4 with the nose wheel up at Tuscaloosa Regional Airport (ktcl). All three flight crew and one mechanic evacuated the airplane via the…
- [Incident 20051123032709I](https://openairdocs.org/incident/20051123032709I), Nov 23, 2005: Boeing 727200 (N720CK), Syracuse, NY. (-23) On 11/23/2005 at 0630 a B-727-200 operated by K11A while inbound into roc reported the following: "felt strong shutter in aircraft, trim then ran away.…

## Service difficulty reports (138, newest 50)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR K11A2019041082001](https://openairdocs.org/sdr/K11A2019041082001), Jan 28, 2019: LANDING GEAR. INOPERATIVE. NOSE GEAR DID NOT EXTEND ON LANDING. REPLACED NOSE LANDING GEAR, INSTALLED REPAIRS TO FUSELAGE IAW BOEING MSG KAE-KAE-19-0005-15C, PERFORMED TERM SERVICE AND IN
- [SDR K11A2018120572001](https://openairdocs.org/sdr/K11A2018120572001), Oct 10, 2018: STRUCTURE. CORRODED. AFT CARGO DOOR LOWER CHORD CORRODED
- [SDR K11A2018120572002](https://openairdocs.org/sdr/K11A2018120572002), Oct 9, 2018: STRUCTURE. CORRODED. RIGHT SIDE INNER NOSE W/W STA 312-328 T CHORD CORROSION
- [SDR K11A2018120572003](https://openairdocs.org/sdr/K11A2018120572003), Oct 8, 2018: STRUCTURE. CORRODED. FWD CARGO PIT DOOR CORRODED AT AFT LOWER LIGHTNING HOLE... REMOVED & REPLACED DOOR
- [SDR K11A2018060702001](https://openairdocs.org/sdr/K11A2018060702001), Jun 6, 2018: COMPRESSOR. STALLED. ON THROTTLE UP FOR TAKEOFF, THE NR 1 ENGINE HAD A COMPRESSOR STALL, RETURNED TO BLOCKS. OPEN
- [SDR K11A2017080420001](https://openairdocs.org/sdr/K11A2017080420001), Aug 4, 2017: SKIN. DAMAGED. FUSELAGE SKIN AT STA. 188-200 BETWEEN STRINGER 24L TO 24R.
- [SDR KCSA201704060155](https://openairdocs.org/sdr/KCSA201704060155), Apr 5, 2017: LANDING GEAR. MALFUNCTIONED. NOSE LANDING GEAR WOULD NOT EXTEND, HAD TO CYCLED HANDLE FOR NOSE GEAR TO EXTEND AND LOCK
- [SDR K11A2016122372001](https://openairdocs.org/sdr/K11A2016122372001), Dec 23, 2016: WARNING LIGHT. ILLUMINATED. NR 3 BLEED TRIP LIGHT CAME ON DURING CRUISE.
- [SDR K11A2016122272000](https://openairdocs.org/sdr/K11A2016122272000), Dec 21, 2016: VALVE. STUCK. DURING CLIMB OUT, NR 3 FUEL CROSS FEED VALVE WAS STUCK CLOSED.
- [SDR K11A2015122172001](https://openairdocs.org/sdr/K11A2015122172001), Dec 21, 2015: O-RING. LEAKING. FUEL LEAKING FROM NR 3 ENGINE FUEL PUMP, INSPECTED AND FOUND O-RING WAS BAD, REPLACED O-RING WITH NEW, LEAK AND OP'S CHECK GOOD. NO OTHER DEFECTS NOTED.
- [SDR K11A20151210203](https://openairdocs.org/sdr/K11A20151210203), Dec 9, 2015: SKIN. CORRODED. FUSELAGE SKIN CORROSION BS 950E + 12 ABOVE STR 28R.
- [SDR K11A2015121020001](https://openairdocs.org/sdr/K11A2015121020001), Dec 1, 2015: SHEAR TIE. CORRODED. FRAME SHEAR TIE CORROSION BS 970, STR 27L-28L.
- [SDR K11A2015121020003](https://openairdocs.org/sdr/K11A2015121020003), Nov 29, 2015: STRINGER. CORRODED. STRINGER 27L DIRECTLY UNDER FRAME CORRODED UNDER FASTENER HEAD BS 970 UNDER STR 27L.
- [SDR K11A2015121020002](https://openairdocs.org/sdr/K11A2015121020002), Nov 23, 2015: SHEAR TIE. CORRODED. FUSELAGE SKIN ATTACH BRACKET AT BULKHEAD SHELF POINT HAS CORROSION BS 950, RBL 70.
- [SDR K11A2013031120001](https://openairdocs.org/sdr/K11A2013031120001), Mar 11, 2013: STRUCTURE. CRACKED. CRACKED FASTENER HOLE.
- [SDR K11A2013030620001](https://openairdocs.org/sdr/K11A2013030620001), Feb 22, 2013: ANGLE. CORRODED. CORRODED ANGLE.
- [SDR K11A2013030620002](https://openairdocs.org/sdr/K11A2013030620002), Jan 31, 2013: WEB. CORRODED. EVIDENCE OF CORROSION ON AFT WEB SIDE.
- [SDR K11A2011123072001](https://openairdocs.org/sdr/K11A2011123072001), Dec 30, 2011: FLOOR SUPPORT. CORRODED. FLOOR SUPPORT CORRODED (BOTTOM SIDE) 1X3 INCHES.
- [SDR K11A10012872001A](https://openairdocs.org/sdr/K11A10012872001A), Feb 10, 2010: STRAP. CRACKED. TIE STRAP LOOSE AND CRACKED.
- [SDR K11A2010012872002](https://openairdocs.org/sdr/K11A2010012872002), Feb 10, 2010: SEAT TRACK. CORRODED. TEN INCHES OF CORROSION, SEAT TRACK CORRODED.
- [SDR K11A2010012872001](https://openairdocs.org/sdr/K11A2010012872001), Feb 8, 2010: SEAT TRACK. CORRODED. FIVE INCHES OF CORROSION SEAT TRACK CORRODED.
- [SDR K11A2010020172001](https://openairdocs.org/sdr/K11A2010020172001), Feb 1, 2010: SHEAR TIE. CORRODED. SHEAR TIE CORROSION.
- [SDR K11A2010013172002](https://openairdocs.org/sdr/K11A2010013172002), Jan 31, 2010: SILL. CORRODED. R3 WINDOW LOWER SILL HAS EVIDENCE OF CORROSION, 6 INCHES.
- [SDR K11A2010013172001](https://openairdocs.org/sdr/K11A2010013172001), Jan 31, 2010: SILL. CORRODED. L3 WINDOW LOWER SILL HAS EVIDENCE OF CORROSION.
- [SDR K11A2010012672002](https://openairdocs.org/sdr/K11A2010012672002), Jan 31, 2010: SKIN. BULGED. SKIN BULGE AT LAP SEAM, 7 INCHES OF CORROSION.
- [SDR K11A2010012772002](https://openairdocs.org/sdr/K11A2010012772002), Jan 27, 2010: SEAT TRACK. CORRODED. SEAT TRACK CORRODED 4 INCHES.
- [SDR K11A2010012772001](https://openairdocs.org/sdr/K11A2010012772001), Jan 27, 2010: SHEAR TIE. CORRODED. STA 600 FWD LOWER CARGO LOWER LEG OF SHEAR TIE CORRODED.
- [SDR K11A2010012672001](https://openairdocs.org/sdr/K11A2010012672001), Jan 26, 2010: SKIN. DAMAGED. SKIN DENTED CREASED 4 INCHES BELOW VERT STAB LT SIDE.
- [SDR K11A2010012472008](https://openairdocs.org/sdr/K11A2010012472008), Jan 24, 2010: STRUCTURE. CORRODED. CORROSION UNDER DOOR SILL PLATE, 8 INCHES.
- [SDR K11A2010012472007](https://openairdocs.org/sdr/K11A2010012472007), Jan 24, 2010: SUPPORT. CORRODED. STRINGER SUPPORT CORROSION, 20 INCHES.
- [SDR K11A2010012472006](https://openairdocs.org/sdr/K11A2010012472006), Jan 24, 2010: SKIN. CORRODED. EIGHT INCHES OF SKIN CORROSION.
- [SDR K11A2010012472005](https://openairdocs.org/sdr/K11A2010012472005), Jan 24, 2010: STRINGER. CORRODED. STRINGER CORROSION, 15 INCHES.
- [SDR K11A2010012472004](https://openairdocs.org/sdr/K11A2010012472004), Jan 24, 2010: SILL. CORRODED. FWD LWR CARGO DOOR INSIDE DOOR SILL 6 INCHES OF CORROSION.
- [SDR K11A2010012472003](https://openairdocs.org/sdr/K11A2010012472003), Jan 24, 2010: SILL. CORRODED. CORROSION UNDER SILL S-26R STA 970-990.
- [SDR K11A2010012472001](https://openairdocs.org/sdr/K11A2010012472001), Jan 24, 2010: STRINGER. CORRODED. CORROSION ON S-29L.
- [SDR K11A2010012472002](https://openairdocs.org/sdr/K11A2010012472002), Jan 24, 2010: STRINGER. CORRODED. CORROSION ON S-28L.
- [SDR K11A2010012372001](https://openairdocs.org/sdr/K11A2010012372001), Jan 23, 2010: FLANGE. CRACKED. CRACK ON FLANGE.
- [SDR K11A2009022472002](https://openairdocs.org/sdr/K11A2009022472002), Feb 24, 2009: SPAR. CRACKED. REAR SPAR HAS CRACK, LT ELE STA 66.5.
- [SDR K11A2009022472001](https://openairdocs.org/sdr/K11A2009022472001), Feb 16, 2009: SPAR. CRACKED. REAR SPAR HAS CRACK, LT ELE STA 68.
- [SDR K11A2009020672001](https://openairdocs.org/sdr/K11A2009020672001), Feb 5, 2009: SEAT TRACK. CORRODED. SEAT TRACK CORROSION.
- [SDR K11A2009020472001](https://openairdocs.org/sdr/K11A2009020472001), Jan 23, 2009: FLOORBEAM. CORRODED. FLOORBEAM LOWER CHORD REPAIR CORRODED ON FORWARD SIDE.
- [SDR K11A200912872001](https://openairdocs.org/sdr/K11A200912872001), Jan 23, 2009: REPAIR. CORRODED. FLOORBEAM LOWER CHORD REPAIR CORRODED ON FORWARD SIDE.
- [SDR K11A2008102272001](https://openairdocs.org/sdr/K11A2008102272001), Oct 17, 2008: A/C PACK. INOPERATIVE. DURING CLIMBOUT CABIN ALT BEGAN TO CLIMB AT 1500 FT/MIN RT AC PACK WAS FOUND TO BE INOPERATIVE, LT PACK WORKING BUT WOULD NOT MAINTAIN CABIN PRESS. REMOVED AND 
- [SDR K11A2008121672010](https://openairdocs.org/sdr/K11A2008121672010), Nov 21, 2007: SPAR. CRACKED. RT ELEVATOR REAR SPAR CRACKED FWD OF THE NR 4 TRIM TAB HINGE, ELEVATOR STA 99.79.
- [SDR K11A2008121672009](https://openairdocs.org/sdr/K11A2008121672009), Nov 16, 2007: STIFFENER. CRACKED. RT WING FRONT SPAR VERTICAL STIFFENER CRACKED.
- [SDR K11A2008121672005](https://openairdocs.org/sdr/K11A2008121672005), Nov 15, 2007: SHEAR TIE. CRACKED. SHEAR TIE CRACKED.
- [SDR K11A2008121672007](https://openairdocs.org/sdr/K11A2008121672007), Nov 1, 2007: WEB. CORRODED. MAIN DECK FLOOR WEB CORRODED AROUND NUT PLATE.
- [SDR K11A200121672006](https://openairdocs.org/sdr/K11A200121672006), Oct 31, 2007: SKIN. CORRODED. FUSELAGE SKIN CORROSION.
- [SDR K11A2008121672004](https://openairdocs.org/sdr/K11A2008121672004), Oct 26, 2007: BOLT. CORRODED. CORROSION AT BULKHEAD FITTING ATTACH BOLTS.
- [SDR K11A2008121672003](https://openairdocs.org/sdr/K11A2008121672003), Oct 24, 2007: SHEAR TIE. CORRODED. FRAME SHEAR TIE CORRODED.

All 138: https://openairdocs.org/aircraft/N720CK/reports.md

## STCs that may be installed (OpenAirDocs) (837, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Boeing 727-200)

- [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/aircraft/N720CK/stcs.md

## Related

- Other Boeing 727-200 aircraft: https://openairdocs.org/model/boeing-727-200/aircraft.md

---
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.