# N7644U: 1969 Boeing 727-222, registration cancelled 2017-06-15 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: June 15, 2017 - Status when cancelled: Registration expired, pending cancellation - Airframe: [Boeing 727-222](https://openairdocs.org/model/boeing-727-222) (registry code 1384073) - Engine: [Pratt & Whitney JT8D-5](https://openairdocs.org/engine/pratt-whitney-jt8d-5) (registry code 52046) - Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE), [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs) - Serial number: 20038 - Year built: 1969 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-jet - Airworthiness: Standard, transport - Airworthiness date: May 6, 1969 - Certificate issued: July 3, 2007 - Last registry action: July 6, 2010 - Mode S code: AA535B - Owner when cancelled: [U Boats Parts Inc](https://openairdocs.org/faa-owner/U%20BOATS%20PARTS%20INC) - Location: [Miami, FL](https://openairdocs.org/faa-place/FL/Miami) - Owner type: Corporation - Owner's area on the map: 25.6682° N, 80.2970° W: Placed by OpenAirDocs at the center of ZIP code 33156, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N7644U - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7644U - Page: https://openairdocs.org/deregistered/N7644U-2017-06-15 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 727-222: https://openairdocs.org/model/boeing-727-222.md ## Service difficulty reports (21) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR C7WA200500126](https://openairdocs.org/sdr/C7WA200500126), Dec 30, 2005: SEQUENCE VALVE. INTERMITTENT. DURING APPROACH, RT MLG AND NOSE GEAR INDICATION SHOWED UNSAFE. ON SECOND ATTEMPT GEARS CAME DOWN NORMALLY. ON GEAR OPERATIONAL CHECK RT MLG FAILED TO EXTEND, N - [SDR C7WA2004000BB](https://openairdocs.org/sdr/C7WA2004000BB), Aug 31, 2004: ACCESSORY UNIT. INOPERATIVE. RED LT GEAR, RT GEAR, NOSE GEAR AND AMBER TAIL SKID LIGHTS ON PILOTS FRONT PANEL REMAINED ILLUMINATED AFTER GEAR HANDLE WAS RAISED ON TAKEOFF. FLIGHT ENGINEERS - [SDR 2004F00034](https://openairdocs.org/sdr/2004F00034), Nov 5, 2003: HELICOIL. DAMAGED. DURING CRUISE, ENGINE NR 3 LOST ALL OIL PRESSURE AND ALL OIL QUANTITY. PERFORMED NR 3 ENGINE INFLIGHT SHUTDOWN CHECKLIST. DIVERTED TO STL. EMERGENCY DECLARED. A - [SDR RYN2004F00024](https://openairdocs.org/sdr/RYN2004F00024), Sep 3, 2003: FLAP. MALADJUSTMENT. AFTER TAKEOFF, ACCELRATED TO 300 KNOTS. CREW EXPERIENCED MODERATE VIBRATION. AIRCRAFT RETURNED TO DEPARTURE AIRPORT. ADJUSTED LT AND RT AFT FLAPS. REMOVED AND R - [SDR RYN2004F00023](https://openairdocs.org/sdr/RYN2004F00023), Sep 3, 2003: SMOKE DETECTOR. FALSE ACTIVATION. AC DEPARTED, ENROUTE, MAIN CARGO COMPARTMENT SMOKE DETECTOR LIGHT ILLUMINATED. AC DIVERTED WITHOUT INCIDENT. INSPECTED AC FOR EVIDENCE OF BURNED WIRES AND FLUID - [SDR 2002F01042](https://openairdocs.org/sdr/2002F01042), Sep 14, 2002: STRINGER CLIP. CRACKED. AT C-CHECK, FOUND FUSELAGE UPPER LOBE STRINGER SHEAR CLIP, BS 950B STRINGER 9L, CRACKED. (M) - [SDR 2002F01041](https://openairdocs.org/sdr/2002F01041), Sep 14, 2002: SHEAR TIE. CRACKED. AT C-CHECK, FOUND CABIN SHEAR TIE CLIP CRACKED AT BS 970 STRINGER 4R. (M) - [SDR 2002F01040](https://openairdocs.org/sdr/2002F01040), Sep 14, 2002: DOUBLER. CRACKED. AT C-CHECK, FOUND PREVIOUS REPAIR WITH SEVERAL CRACKS AT MAIN CARGO, STATION 400-420 BL 0.0. (M) - [SDR 2002F01032](https://openairdocs.org/sdr/2002F01032), Sep 13, 2002: ATTACH FITTING. CRACKED. AT C-CHECK, FOUND RIGHT LANDING GEAR SUPPORT BEAM OUTBOARD ATTACH FITTING CRACKED. (M) - [SDR 2002F01031](https://openairdocs.org/sdr/2002F01031), Sep 13, 2002: SKIN. DAMAGED. AT C-CHECK, FOUND LEFT HORIZONTAL STABILIZER LOWER SKIN HAD 1 DENT WITH CREASE AND 1 DENT WITH CHERRY MAX RIVET IN CENTER OF DENT AT STABILIZER STATION 4 AND AP - [SDR 2002F01039](https://openairdocs.org/sdr/2002F01039), Sep 11, 2002: FITTING. CRACKED. AT C-CHECK, FOUND CRACK IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 950F STRINGER 4L. (M) - [SDR 2002F01038](https://openairdocs.org/sdr/2002F01038), Sep 11, 2002: FITTING. CRACKED. AT C-CHECK, FOUND CRACKS IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 1050 STRINGER 4L. (M) - [SDR 2002F01037](https://openairdocs.org/sdr/2002F01037), Sep 11, 2002: FITTING. CRACKED. AT C-CHECK, FOUND CRACK IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 1070 STRINGER 4L. (M) - [SDR 2002F01036](https://openairdocs.org/sdr/2002F01036), Sep 11, 2002: FITTING. CRACKED. AT C-CHECK, FOUND CRACK IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 950F STRINGER 4R. (M) - [SDR 2002F01035](https://openairdocs.org/sdr/2002F01035), Sep 11, 2002: FITTING. CRACKED. AT C-CHECK, FOUND CRACK IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 950E, STRINGER 4L. (M) - [SDR 2002F01034](https://openairdocs.org/sdr/2002F01034), Sep 11, 2002: FITTING. CRACKED. AT C-CHECK, FOUND CRACKS IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 950E STRINGER 4R. (M) - [SDR 2002F01033](https://openairdocs.org/sdr/2002F01033), Sep 11, 2002: FITTING. CRACKED. AT C-CHECK, FOUND CRACK IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 950 STRINGER 4R. (M) - [SDR 2002F00870](https://openairdocs.org/sdr/2002F00870), Jun 1, 2002: ANGLE. CRACKED. AT B-CHECK, DURING INSPECTION OF LOWER SILL BEAM, FOUND CRACK IN SUPPORT ANGLE EXTENDING FROM BOTTOM FASTENER HOLE, AT STATION 680. (M) - [SDR 20001212AP001](https://openairdocs.org/sdr/20001212AP001), Aug 16, 2000: SMOKE DETECTOR. DAMAGED. FLT 737 - BOS - RED LIGHT ILLUMINATED ON CARGO SMOKE DETECTION SYSTEM WITHOUT TESTING. NO SMOKE DETECTED BY SIGHT OR SMELL. FOUND METAL LINE ON FORWARD NR 1 SMO - [SDR 20001129AP007](https://openairdocs.org/sdr/20001129AP007), Aug 5, 2000: SMOKE DETECTOR. WILL NOT TEST. FLT 734 - IND - NR 1 SMOKE DETECTOR WOULD NOT TEST. REPLACED NR 1 SMOKE DETECTOR. (M) - [SDR 20000424AP043](https://openairdocs.org/sdr/20000424AP043), Nov 19, 1999: TERMINAL. FAILED. FLT 216 - CVG - ON CLIMB-OUT FROM DAY, SMELLED ELECTRICAL SMOKE IN COCKPIT, AND SAW SLIGHT WHISP OF SMOKE FORM BEHIND LEFT OF FLIGHT ENGINEER PANEL. LANDED IN C ## 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 IAD71II039](https://openairdocs.org/ntsb/IAD71II039), Feb 15, 1971: Boeing 727 (N7644U), Dulles Int Apt, DC, incident, no damage ## FAA accident and incident reports (5) 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 20050502006569I](https://openairdocs.org/incident/20050502006569I), May 2, 2005: Boeing 727222 (N7644U), Lincoln, NE. (-23) Ctt flight 109 enroute from den to mke experienced a smoke detector light illuminate during flight. Reset system, light re-illuminated. Cat's (central… - [Incident 20031105028309I](https://openairdocs.org/incident/20031105028309I), Nov 5, 2003: Boeing 727222 (N7644U), St Louis, MO. (-23) Ryan flight 128 declared emergency due to loss of oil pressure on #3 engine. Aircraft diverted to stl and landed without incident. Maintenance found oil… - [Incident 19880926063659I](https://openairdocs.org/incident/19880926063659I), Sep 26, 1988: Boeing 727222 (N7644U), Chicago, IL. Unable to retract right gear. Returned. Found APU transfer beam left in place after maintenance. - [Incident 19850208009229I](https://openairdocs.org/incident/19850208009229I), Feb 8, 1985: Boeing 727222 (N7644U), Kansas City, MO. Missed high speed turnoff on rollout. During turn to double back left main went off taxiway into mud. - [Incident 19780918019759I](https://openairdocs.org/incident/19780918019759I), Sep 18, 1978: Boeing 727222 (N7644U), San Francisco, CA, Minor damage. Crew reported loud noise and yaw as wing flaps were extended for landing. Partial loss of inboard flap in flght. --- 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.