# N436EX: 1967 Boeing 727-51C, registration cancelled 2005-04-11 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: April 11, 2005 - Exported to: Sierra Leone - Status when cancelled: Valid registration - Airframe: [Boeing 727-51C](https://openairdocs.org/model/boeing-727-51c) (registry code 1384015) - Engine: [Pratt & Whitney JT8D series](https://openairdocs.org/engine/pratt-whitney-jt8d-series) (registry code 52053) - Serial number: 19289 - Year built: 1967 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-jet - Airworthiness: Standard, transport - Airworthiness date: October 13, 1982 - Certificate issued: July 25, 2003 - Last registry action: July 25, 2003 - Mode S code: A539E2 - Owner when cancelled: [Wells Fargo Bank Northwest Na Trustee](https://openairdocs.org/faa-owner/WELLS%20FARGO%20BANK%20NORTHWEST%20NA%20TRUSTEE) - Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City) - Owner type: Corporation - Owner's area on the map: 40.7558° N, 111.8843° W: Placed by OpenAirDocs at the center of ZIP code 84111, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N436EX - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=436EX - Page: https://openairdocs.org/deregistered/N436EX-2005-04-11 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 727-51C: https://openairdocs.org/model/boeing-727-51c.md ## Service difficulty reports (13) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR 20010315SG001](https://openairdocs.org/sdr/20010315SG001), Feb 13, 2001: MOTOR. FAILED. FLT 733 - EN ROUTE TO ORD HAD A SPLIT FLAP INDICATION. AIR CREW CONDUCTED AN AIR TURN BACK TO SEA. AIR CREW DUMPED FUEL AND DECLARED AN EMERGENCY. AIRCRAFT LAND - [SDR 20001212AP004](https://openairdocs.org/sdr/20001212AP004), Aug 15, 2000: ENGINE. MALFUNCTIONED. FLT 9001 - DEPARTING DAY, RIGHT AFTER TAKEOFF NR 1 ENGINE LOW OIL PRESSURE/OIL BYPASS LIGHT CAME ON. ENGINE OIL PRESSURE WAS SLIGHTLY BELOW GREEN BAND. CAPTAIN - [SDR 2000ZZZM185](https://openairdocs.org/sdr/2000ZZZM185), Dec 19, 1999: FIRE LOOP. OUT OF POSITION. FLT 607 - IND-DEN - NR 2 FIRE DETECTOR CIRCUIT GROUND LIGHT ILLUMINATES INTERMITTENTLY. RE-SECURED AND RE-POSITIONED FIRE LOOP ON NR 2 ENGINE, GROUND CHECK GOOD - [SDR 2000ZZZM183](https://openairdocs.org/sdr/2000ZZZM183), Dec 14, 1999: FIRE LOOP. OUT OF ADJUST. FLT 720 - DTW-IND - NR 3 GROUND FAULT LIGHT CAME ON IN FLIGHT. FOUND LOOP CLOSE TO OTHER LINES, RE-ROUTED LOOP. (M) - [SDR 2000ZZZM182](https://openairdocs.org/sdr/2000ZZZM182), Dec 11, 1999: FIRE LOOP. OUT OF ADJUST. FLT 733 - ORD-IND - NR 3 FIRE PROTECTION DETECTOR CIRCUIT GROUND LIGHT ILLUMINATES INTERMITTENTLY. ADJUSTED NR 3 FIRE LOOP. (M) - [SDR 99ZZZM718](https://openairdocs.org/sdr/99ZZZM718), Sep 22, 1999: FIRE LOOP. GROUNDED. FLT 707 (DEN-IND) NR 2 ENGINE GROUND CIRCUIT DETECTOR LIGHT ILLUMINATES. RE-POSITIONED NR 2 ENGINE FIRE LOOP. (M) - [SDR 99ZZZM247](https://openairdocs.org/sdr/99ZZZM247), Mar 16, 1999: TURBINE. DAMAGE. FLT 611 - IND-EWR - NR 1 ENGINE VIBRATES BETWEEN 45 PERCENT AND 68 PERCENT N1. INSPECTED ENGINE, FOUND TURBINE DAMAGE. REMOVED AND REPLACED NR 1 ENGINE. (M) - [SDR 98ZZZX3703](https://openairdocs.org/sdr/98ZZZX3703), Aug 28, 1998: VALVE. LEAK. PHX/LAX - FLT 643 - ENGINE FIRE INDICATION ON CLIMB-OUT NR 2 ENGINE. SHUT DOWN NR 2 ENGINE, RETURNED TO PHX. - [SDR 98ZZZM780](https://openairdocs.org/sdr/98ZZZM780), Aug 28, 1998: ANTI-ICE VALVE. LEAKING. FLT 643 - PHX-LAX - ENGINE FIRE INDICATION ON CLIMB-OUT NR 2 ENGINE. SHUT DOWN NR 2 ENGINE, RETURNED TO PHX. REPAIRED LEAKS AT 8TH STAGE BLEED DUCT AT SECOND CO - [SDR 98ZZZM209](https://openairdocs.org/sdr/98ZZZM209), Jan 18, 1998: LIGHT SOCKET. BURNED. FLT 6704 - IND-SEA - AIR RETURN TO IND, CLIMBING OUT OF IND CREW EXPERIENCED A STRONG ELECTRICAL ODOR AND SMOKE WAS CLEARLY VISIBLE UNDER CAPTAINS GLARESHIELD. - [SDR 98ZZZM198](https://openairdocs.org/sdr/98ZZZM198), Jan 18, 1998: LIGHT. BURNED. FLT 6704 - IND-SEA - HAD AN AIR RETURN TO IND CLIMBING OUT OF IND CREW EXPERIENCED A STRONG ELECTRICAL ODOR AND SMOKE WAS CLEARLY VISIBLE UNDER CAPTAINS GLARESH - [SDR 96ZZZM21](https://openairdocs.org/sdr/96ZZZM21), Dec 16, 1995: SWITCH WIRE. BROKEN. DURING LANDING AT MKE, GEAR EXTENSION FAILED TO GET A DOWN INDICATION ON THE NOSE GEAR. CYCLED GEAR ONCE WITH SAME RESULTS. COMPLIED WITH GEAR MANUAL EXTENSION. - [SDR 95ZZZM663](https://openairdocs.org/sdr/95ZZZM663), Oct 8, 1995: SWITCH. INOP. ON GEAR RETRACTION ALL THREE GEAR UNSAFE LIGHTS REMAINED ON. GEAR DOOR LIGHTS OUT. REPLACED HORN AND WARNING CUT OUT SWITCH ON NR 3 ENGINE THROTTLE PER MM 31-26 ## 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 MKC84IA018](https://openairdocs.org/ntsb/MKC84IA018), Nov 10, 1983: Boeing 727-15C (N436EX), St. Louis, MO, 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 20001109022019I](https://openairdocs.org/incident/20001109022019I), Nov 9, 2000: Boeing 72751C (N436EX), Denver, CO, Minor damage. (-23) A/c hit ducks approx. one mile final 35L. Damage to radome, left wing, left leading edge slat. A/c ferried to ams in phoenix for repairs. - [Incident 19990120015989I](https://openairdocs.org/incident/19990120015989I), Jan 20, 1999: Boeing 72751C (N436EX), Indianapolis, IN, Minor damage. (-5)After takeoff from chicago (ord), flaps were retracted and aircraft took excessive rudder trim to maintain level flight and extra power to maintain… - [Incident 19910504019999I](https://openairdocs.org/incident/19910504019999I), May 4, 1991: Boeing 72751C (N436EX), Indianapolis, IN, Minor damage. NR2 fire warning. Returned. Broken bolt on injector valve allowed hot air to reach fire loop. - [Incident 19840424021009I](https://openairdocs.org/incident/19840424021009I), Apr 24, 1984: Boeing 72751C (N436EX), Dayton, OH, Minor damage. Tower observed aft ventral door open on takeoff. Complete loss of b system hydraulic pressure. Cause undetermined. - [Incident 19831110069039I](https://openairdocs.org/incident/19831110069039I), Nov 10, 1983: Boeing 72751C (N436EX), St Louis, MO. Taxing for takeoff. Making a right turn. Jet blast damaged a Cessna 206 waiting to taxi behind the jet. --- 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.