# N427EX: 1966 Boeing 727-22C, registration cancelled 2007-05-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 5, 2007
- Status when cancelled: Valid registration
- Airframe: [Boeing 727-22C](https://openairdocs.org/model/boeing-727-22c) (registry code 138400F)
- Engine: [Pratt & Whitney JT8D series](https://openairdocs.org/engine/pratt-whitney-jt8d-series) (registry code 52053)
- Serial number: 19090
- Year built: 1966
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-jet
- Airworthiness: Standard, transport
- Airworthiness date: May 10, 1982
- Certificate issued: March 3, 2005
- Last registry action: March 3, 2005
- Mode S code: A5161A
- Owner when cancelled: [Stewart Industries International LLC](https://openairdocs.org/faa-owner/STEWART%20INDUSTRIES%20INTERNATIONAL%20LLC)
- Location: [Guthrie, OK](https://openairdocs.org/faa-place/OK/Guthrie)
- Owner type: Corporation
- Owner's area on the map: 35.8679° N, 97.4344° W: Placed by OpenAirDocs at the center of ZIP code 73044, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N427EX
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=427EX
- Page: https://openairdocs.org/deregistered/N427EX-2007-05-05

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Boeing 727-22C: https://openairdocs.org/model/boeing-727-22c.md

## Service difficulty reports (11)

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

- [SDR 20001011AP010](https://openairdocs.org/sdr/20001011AP010), Jun 10, 2000: VALVE. FAILED. FLT 744 - LAX - STRONG SMELL OF SMOKE IN COCKPIT DURING TAKEOFF ROLL AND CLIMB-OUT. AIR TURN BACK TO LAX. REPLACED 13TH STAGE MODULATION VALVE ON NR 1 ENGINE AN
- [SDR 20000703AP003](https://openairdocs.org/sdr/20000703AP003), May 5, 2000: BULB. FAILED. FLT 613 - CLT-GSO - SMOKE DETECTOR LIGHT INOPERATIVE. RELAMPED SMOKE DETECTOR. (M)
- [SDR 20000403AP002](https://openairdocs.org/sdr/20000403AP002), Mar 8, 2000: ENGINE. INOPERATIVE. FLT 614 - CLE-BUF - ON SERVICE CHECK, FOUND NR 2 ENGINE 8 QUARTS LOW ON OIL. ALSO, FOUND OIL IN EXHAUST PIPE. REPLACED NR 2 ENGINE. (M)
- [SDR 20000412AP007](https://openairdocs.org/sdr/20000412AP007), Feb 16, 2000: FIRE LOOP. OUT OF POSITION. FLT 9004 - IAH-PHX - NR 3 GROUND FAULT DETECTOR LIGHT CAME ON IN FLIGHT AND REMAINED ON. FOUND NR 3 ENGINE FIRE LOOP LOOP TOUCHING COWL, REPOSTIONED FIRE LOOP. 
- [SDR 20000412AP006](https://openairdocs.org/sdr/20000412AP006), Feb 13, 2000: ENGINE. FAILED. FLT 708 - IAH-MSY - JUST PRIOR TO V1 LOUD BANG WAS HEARD, LOST OIL PRESSURE ON NR 3 ENGINE AND ABORTED TAKEOFF. REPLACED NR 3 ENGINE. (M)
- [SDR 2000ZZZX454](https://openairdocs.org/sdr/2000ZZZX454), Nov 14, 1999: ENGINE. FOD. SFO - FLT 9008 - ON TAKEOFF ROLL, NR 2 ENGINE HEAVY COMPRESSOR STALL. ANOTHER AIRCRAFT REPORTED SEEING A LARGE BIRD GO INTO NR 2 INLET. FLAME OUT REAR. REPLACED
- [SDR 96ZZZX5357](https://openairdocs.org/sdr/96ZZZX5357), Sep 20, 1996: FLANGE. CRACKED. INSPECTION FOUND .50 INCH CRACK AT BS 940 LT SIDE AFT FLANGE AT FLOOR BEAM LEVEL. SUSPECT CAUSE: FATIGUE.
- [SDR 96ZZZX5354](https://openairdocs.org/sdr/96ZZZX5354), Sep 20, 1996: FLANGE. CRACKED. INSPECTION FOUND 1.50 INCH CRACK AT BS 940, RT SIDE FWD FLANGE. FLOOR LEVEL. SUSPECT CAUSE FATIGUE.
- [SDR 96ZZZX5356](https://openairdocs.org/sdr/96ZZZX5356), Sep 18, 1996: INTEGRAL RIB. CRACKED. INSPECTION FOUND 1.50 INCH CRACK AT BS 870 RT, INTEGRAL RIB STR 13R. SUSPECT CAUSE: FATIGUE.
- [SDR 96ZZZX5355](https://openairdocs.org/sdr/96ZZZX5355), Sep 18, 1996: INTEGRAL RIB. CRACKED. INSPECTION FOUND 3 INCH CRACK AT BS 950 LT/INTEGRAL RIB, STR 13L. SUSPECT CAUSE: FATIGUE.
- [SDR 95ZZZW647](https://openairdocs.org/sdr/95ZZZW647), Apr 12, 1995: ACTUATOR. FAILED. LOST 'A' SYSTEM HYDRAULICS INFLIGHT, LANDED IN MCI WITHOUT FURTHER INCIDENT. FOUND THE NR 2 FLAP ACTUATOR SEAL RUPTURED. REPLACED THE NR 2 FLAP ACTUATOR.

## FAA accident and incident reports (4)

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 19980415010009I](https://openairdocs.org/incident/19980415010009I), Apr 15, 1998: Boeing 72722C (N427EX), Kansas City, MO. Narrative: per pilot remarks, at approximately 1115Z and 130 miles northeast of mci we had a complete "a" hydraulic system failure (quantity and pressure).…
- [Incident 19901025054449I](https://openairdocs.org/incident/19901025054449I), Oct 25, 1990: Boeing 72722C (N427EX), Buffalo, NY. Lost a hydraulic system en route. Returned to Buffalo. NR2 slat actuator had cracked. Hydraulic fluid leaked out.
- [Incident 19900404014549I](https://openairdocs.org/incident/19900404014549I), Apr 4, 1990: Boeing 72722C (N427EX), Dayton, OH. Odor of gasoline in cockpit. Boxes in main cargo compartment were wet and had odor. FAA security checking cargo.
- [Incident 19891024056349I](https://openairdocs.org/incident/19891024056349I), Oct 24, 1989: Boeing 72722C (N427EX), Buffalo, NY. Vapor from NR1 engine on rollout. Found fuel dripping from nacelle. Cracked o ring on transmitter replaced.

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