# N154UA: 1984 Boeing 747-123, registration cancelled 2004-01-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 28, 2004
- Status when cancelled: Valid registration
- Airframe: [Boeing 747-123](https://openairdocs.org/model/boeing-747-123) (registry code 1384873)
- Engine: [Pratt & Whitney JT9D series](https://openairdocs.org/engine/pratt-whitney-jt9d-series) (registry code 52054)
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE) (OpenAirDocs)
- Serial number: 20103
- Year built: 1984
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Experimental, research and development
- Airworthiness date: June 9, 1999
- Certificate issued: February 4, 1999
- Last registry action: November 8, 2002
- Mode S code: A0DACE
- 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/N154UA
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=154UA
- Page: https://openairdocs.org/deregistered/N154UA-2004-01-28

From the FAA registry file of November 7, 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 747-123: https://openairdocs.org/model/boeing-747-123.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 98UAL900108](https://openairdocs.org/sdr/98UAL900108), Mar 6, 1998: CSD. FAILED. APPROXIMATELY ONE HOUR PRIOR TO ARRIVAL AT HNL NR 4 ENGINE CSD OVER TEMPERATURE. PROCEDURES 733 AND 734 INEFFECTIVE IN DISCONNECTING THE CSD. SHUT DOWN NR 4 ENG
- [SDR 97UAL900745](https://openairdocs.org/sdr/97UAL900745), Sep 28, 1997: POWER SUPPLY. INOPERATIVE. DOOR 3 RIGHT FWD AND AFT COVE EMERGENCY EXIT SIGNS INOPERABLE. REPLACED BATTERY POWER SUPPLY MODULE ITEM M445, OP CHECKED GOOD.
- [SDR 97UAL900134](https://openairdocs.org/sdr/97UAL900134), Feb 12, 1997: OIL BYPASS LIGHT. ILLUMINATED. NR 3 ENGINE SHUTDOWN IN FLIGHT DUE TO OIL FILTER BYPASS WARNING LIGHT.
- [SDR 97UAL900126](https://openairdocs.org/sdr/97UAL900126), Feb 8, 1997: OIL BYPASS LIGHT. ILLUMINATED. NR 3 ENGINE SHUT DOWN INFLIGHT DUE TO OIL FILTER BYPASS LIGHT ON.
- [SDR 96UAL900827](https://openairdocs.org/sdr/96UAL900827), Oct 21, 1996: CLAMP. FAILED. FIRE DETECTION FAULT B-LOOP ON NR 3 ENGINE, RECEIVED INTERMITTENT FIRE WARNING. *S/D* SUSPECT AIR LEAK AT PNEUMATIC DUCT CLAMP. REPLACED DUCT CLAMP, ADDITIONALL
- [SDR 96UAL900115](https://openairdocs.org/sdr/96UAL900115), Feb 14, 1996: PUSHER TUBE. FAILED TEST. DURING OVERHAUL, DOOR 2 SLIDE FAILED AIR RETENTION TEST DUE TO POROSITY ON THE TOP PUSHER TUBE. PUSHER TUBE REPLACED BY OEM.
- [SDR 95UAL900083](https://openairdocs.org/sdr/95UAL900083), Jul 21, 1995: CARBON SEAL. CHIPPED. AFTER REACHING CRUISE ALT NR 4 ENG OIL QTY DROPPED TO JUST ABOVE 1 GAL ON IND, ALL OTHER IND OK. OIL QTY SLOWLY DECREASED TO ZERO AT 5.5 HOURS INTO FLT, THEN PR
- [SDR 95UAL900047](https://openairdocs.org/sdr/95UAL900047), Jul 21, 1995: OIL QTY. DROPPED. AFTER REACHING CRUISE ALT NR 4 ENG OIL QTY DROPPED TO JUST ABOVE 1 GAL ON IND, ALL OTHER IND OK. OIL QTY SLOWLY DECREASED TO ZERO AT 5 AND ONE HALF HOURS INTO F
- [SDR 95UAL900038](https://openairdocs.org/sdr/95UAL900038), Jul 12, 1995: TUBE. FAILED. SLIDE RAFT WAS FOUND TO HAVE POROSITY ON THE LT BOTTOM TUBE, CROSS OVER TUBE, AND ON THE CENTER TUBE. IN ADDITION, SLIDE/RAFT HAS SEAM LEAKS ON THE RT AND LT SI
- [SDR 95UAL900019](https://openairdocs.org/sdr/95UAL900019), Jun 26, 1995: EEL BATTERY PACK. DISCHARGED. EMERGENCY EXIT LIGHT SIGNS INOP AT DOOR 1L. REPLACED BATTERY PACK.
- [SDR 94UAL747083](https://openairdocs.org/sdr/94UAL747083), Jan 3, 1995: SPAR CHORD. CORRODED. AT APPROXIMATELY, BS 1000, LBL 80 - 84, AN AREA OF CORROSION WAS DISCOVERED ON THE WING CENTER SECTION FRONT SPAR INSTALLATION. THE CORROSION (LEVEL 2) EXISTED 

## Other aircraft with N154UA

- [Registered now](https://openairdocs.org/aircraft/N154UA): Urban Air Sro UFM-13 LAMBADA, S/N 103/13, built 2007

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