# N7446U: 1979 Boeing 727-222, registration cancelled 2009-09-15 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: September 15, 2009 - Status when cancelled: Triennial form not returned - Airframe: [Boeing 727-222](https://openairdocs.org/model/boeing-727-222) (registry code 1384073) - Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) - Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE) (OpenAirDocs) - Serial number: 21900 - Year built: 1979 - Type of aircraft: Fixed wing multi engine - Airworthiness: Standard, transport - Airworthiness date: August 31, 1979 - Certificate issued: August 1, 2002 - Last registry action: October 3, 2006 - Mode S code: AA04A3 - Owner when cancelled: [Pan Am Railways Inc](https://openairdocs.org/faa-owner/PAN%20AM%20RAILWAYS%20INC) - Location: [Portsmouth, NH](https://openairdocs.org/faa-place/NH/Portsmouth) - Owner type: Corporation - Owner's area on the map: 43.0748° N, 70.8054° W: Placed by OpenAirDocs at the center of ZIP code 03801, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N7446U - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7446U - Page: https://openairdocs.org/deregistered/N7446U-2009-09-15 From the FAA registry file of November 5, 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 (17) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR 2001UALA01308](https://openairdocs.org/sdr/2001UALA01308), Jun 28, 2001: VALVE. FAILED. CABIN PRESSURE CANNOT BE MAINTAINED IN DESCENT. *S/D* SUSPECT NR 3 ENG HIGH PRESSURE MODULATING VALVE. REPLACED HIGH PRESSURE MODULATING VALVE. - [SDR 2001UALA00308](https://openairdocs.org/sdr/2001UALA00308), Mar 20, 2001: WEB. CRACKED. LEFT WING TRAILING EDGE VERTICAL SUPPORT WEB HAS CRACK WBL 249.3, INBOARD SIDE OF INBOARD AILERON. - [SDR 2000UALA00786](https://openairdocs.org/sdr/2000UALA00786), Dec 10, 2000: BLADE. DAMAGED. NUMBER 3 ENGINE HIGH ALTITUDE STALL DURING STEADY STATE OPERATION IN LEVEL FLIGHT. ALTITUDE 33,000 FEET. ENGINE OPERATION AFTER STALL NORMAL. *S/D* DURING BORES - [SDR 2000UALA00527](https://openairdocs.org/sdr/2000UALA00527), Sep 1, 2000: SWITCH. FAILED. FLIGHT RETURNED TO ORD AFTER LOSS OF BOTH FORWARD AND AFT RIGHT BOOST PUMPS IN THE CENTER TANK. *S/D* PROBABLE CAUSE: BOOST PUMP SWITCHES. REPLACED NR 2 TANK FW - [SDR 99UAL900662](https://openairdocs.org/sdr/99UAL900662), Dec 21, 1999: LIGHT. INOPERATIVE. RIGHT EXTERIOR OVERWING EMERGENCY LIGHTS INOP. - [SDR 99UAL900393](https://openairdocs.org/sdr/99UAL900393), Jul 25, 1999: FIRE LOOP. DEFECTIVE. NR 3 ENGINE SHUT DOWN IN FLIGHT DUE TO STRUT OVERHEAT. RETURNED TO DEN. *S/D* DEFLECTIVE FIRE LOOP AT STUB WING CAUSED THE STRUT OVERHEAT LIGHT TO ILLUMINATE. A - [SDR 99UAL900394](https://openairdocs.org/sdr/99UAL900394), Jul 23, 1999: CLAMP. LOOSE. NR 3 ENGINE STRUT OVERHEAT LIGHT CAME ON. SHUT OFF BLEED AND ANTI-ICE. LIGHT WILL NOT GO OUT. DIVERTED TO CLE. *S/D* TIGHTENED LOOSE CLAMP ON THE 13TH STAGE VAL - [SDR 99UAL900396](https://openairdocs.org/sdr/99UAL900396), Jul 16, 1999: RIB. CRACKED. TWO CRACKS WERE DISCOVERED EMANATING FROM TWO FASTENER HOLES OF THE STATION 750.95 RBL 70.5 RIB CHORD UPPER VERTICAL FLANGE. THE AFFECTED UPPER VERTICAL FLANGE - [SDR 99UAL900395](https://openairdocs.org/sdr/99UAL900395), Jul 16, 1999: SPAR. CHAFED. THE VERTICAL STABILIZER MID SPAR CHORD AT FIN STATION 215 ON THE LEFT SIDE WAS FOUND CHAFED TO BELOW THE MINIMUM ALLOWABLE THICKNESS OF THE CHORD. THE DAMAGED A - [SDR 99UAL900370](https://openairdocs.org/sdr/99UAL900370), Jul 9, 1999: SKIN. DAMAGED. THE RIGHT HAND FIXED LEADING EDGE SKIN WAS FOUND WITH CRACKS AT SLAT STATION 105 AND 113. THE STANDARD REPAIR MANUAL REPAIR COULD NOT BE ACCOMPLISHED BECAUSE OF - [SDR 98UAL900610](https://openairdocs.org/sdr/98UAL900610), Dec 22, 1998: BUFFET. DEFECTIVE. COFFEEMAKER IN AFT GALLEY SMOKING. *S/D* THE COFFEEMAKER WAS CHECKED FOR PROPER OPERATION. NO SMOKE WAS PRESENT WITH POWER TO THE GALLEY OFF. THE BUFFET WAS REP - [SDR 98UAL900383](https://openairdocs.org/sdr/98UAL900383), Aug 11, 1998: VALVE. FAILED. IMMEDIATELY AFTER TAKEOFF, THE NR 3 STRUT OVERHEAT LIGHT CAME ON. SHUT DOWN NR 3 ENGINE AND RETURNED TO LGA. *S/D* REPLACED NR 3 ENGINE 8TH STAGE VALVE. - [SDR 98UAL900065](https://openairdocs.org/sdr/98UAL900065), Feb 13, 1998: ELBOW. BROKEN. FUEL TANK NR 3 BURNS FUEL WHILE IN ALL CONFIGURATIONS DURING CLIMB. NR 3 TANK WAS FULL AND BURNED DOWN ABOUT 700 LBS AND THEN STOPPED. *S/D* THE VENT ELBOW IN T - [SDR 97UAL900456](https://openairdocs.org/sdr/97UAL900456), Jun 12, 1997: DUCT. BROKEN. WHILE INVESTIGATING NR 2 ANTI-ICING PROBLEM, FOUND BROKEN DUCT FOR RIGHT HAND INLET ANTI-ICE. *S/D* THE DUCT HAD BEEN RUBBING SEVERELY ON THE 6TH STAGE SADDLE D - [SDR 96UAL900392](https://openairdocs.org/sdr/96UAL900392), May 31, 1996: SWITCH. WORN. INFLIGHT EXTENSION OF FLAPS TO FLAPS 5, LEADING EDGE SLAT NUMBER 4 SLOW TO EXTEND. *S/D* REPLACED NR 4 SLAT EXTEND SWITCH DUE TO INTERMITTENT OPERATION. - [SDR 96UAL900330](https://openairdocs.org/sdr/96UAL900330), May 8, 1996: SKIN. CRACKED. AFT LOWER FUSELAGE OB RT 6 INCHES AFT OF VHF ANTENNA HAS THREE CRACKS IN AN AREA 4 INCHES LONG. *S/D* CRACKS CONFIRMED TO BE BETWEEN .25 TO .38 INCHES LONG EACH - [SDR 95UAL727009](https://openairdocs.org/sdr/95UAL727009), Jan 19, 1995: EEL RELAY. FAILED. EMERGENCY EXIT LIGHTS ON AIRCRAFT INOP. REPLACED RELAY. ## FAA accident and incident reports (1) 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 19910401008349I](https://openairdocs.org/incident/19910401008349I), Apr 1, 1991: Boeing 727222 (N7446U), Washington, DC. Passenger admitted that he smoked in the aircraft lavatory.[privacy data omitted] ## Other aircraft with N7446U - [Cancelled 2019-10-05](https://openairdocs.org/deregistered/N7446U-2019-10-05): Sensefly EBEE, S/N EB-03-804. Registration expired, pending cancellation. Owner: [Iowa State University](https://openairdocs.org/faa-owner/IOWA%20STATE%20UNIVERSITY), [Ames, IA](https://openairdocs.org/faa-place/IA/Ames) --- 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.