# N451UW: 1990 Boeing 737-4B7, registration cancelled 2013-06-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 24, 2013
- Status when cancelled: Valid registration
- Airframe: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (registry code 138449C)
- Engine: [GE CFM56 series](https://openairdocs.org/engine/ge-cfm56-series) (registry code 30016)
- Serial number: 24934
- Year built: 1990
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: November 29, 1990
- Certificate issued: December 31, 1990
- Last registry action: January 16, 2013
- Mode S code: A577AA
- Owner when cancelled: [Wilmington Trust Company Trustee](https://openairdocs.org/faa-owner/WILMINGTON%20TRUST%20COMPANY%20TRUSTEE)
- Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- Owner type: Corporation
- Owner's area on the map: 39.7357° N, 75.5321° W: Placed by OpenAirDocs: center of Wilmington, DE, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N451UW
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=451UW
- Page: https://openairdocs.org/deregistered/N451UW-2013-06-24

From the FAA registry file of November 4, 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 737-4B7: https://openairdocs.org/model/boeing-737-4b7.md

## Service difficulty reports (107, newest 50)

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

- [SDR USAA2013041800021](https://openairdocs.org/sdr/USAA2013041800021), Apr 17, 2013: TIE BOLT. SHEARED. CREW FELT A HARD BUMP ON TAXIWAY WHILE TAXIING OUT OF CLT FOR DEPARTURE TO PVD. WHEEL AND HUBCAP PASSED US. TIRE MAY HAVE HIT RIGHT WING LEADING EDGE. MAINTENAN
- [SDR USAA2013041500015](https://openairdocs.org/sdr/USAA2013041500015), Apr 14, 2013: COVER. BROKEN. CREW REPORTED THE EMERGENCY ESCAPE PATH LIGHTING BULB COVER AT SEAT 4C BROKEN. MAINTENANCE REPLACED BULB COVER.
- [SDR USAA2013040900008](https://openairdocs.org/sdr/USAA2013040900008), Apr 8, 2013: PLACARD. MISSING. CREW REPORTED THE EXT SIGN PLACARD MISSING AT ROW 12 ABC. MAINTENANCE INSTALLED EXIT ROW PLACARD IAW AMM 33-51-12.
- [SDR USAA2013040200003](https://openairdocs.org/sdr/USAA2013040200003), Mar 31, 2013: SPLICE. FAILED. MAINTENANCE REPORTED ROW 15C EMERGENCY LIGHT INOP. MAINTENANCE FOUND BAD SPLICE. REPLACED SPLICE IN WIRE. OPS CHECK GOOD.
- [SDR USAA2013040100015](https://openairdocs.org/sdr/USAA2013040100015), Mar 29, 2013: COVER. BROKEN. CREW REPORTED ROW 13C EXIT LIGHT COVER BROKEN. MAINTENANCE SECURED ROW 13C EXIT LIGHT COVER TO SEAT.
- [SDR USAA2013032500010](https://openairdocs.org/sdr/USAA2013032500010), Mar 22, 2013: BATTERY. DISCHARGED. CREW REPORTED THE AFT GALLEY STATION EMERGENCY FLASHLIGHT BATTERY RED LIGHT IS NOT BLINKING. MAINTENANCE REPLACED BATTERY. OPS NORMAL.
- [SDR USAA2013020800022](https://openairdocs.org/sdr/USAA2013020800022), Feb 7, 2013: LIGHT. UNSECURE. CREW REPORTED THE AIRCRAFT LEFT EMERGENCY EXIT ROW LIGHT NEEDS TO BE ATTACHED IN MOUNT. MAINTENANCE SECURED EMERGENCY EXIT ROW LIGHT. CHECKS OK.
- [SDR USAA2012101700003](https://openairdocs.org/sdr/USAA2012101700003), Oct 16, 2012: LIGHT. DETACHED. EMERGENCY EXIT LIGHT ON SIDEWALL IN FRONT OF SEAT 12F DETACHED. RE-ATTACHED EMERGENCY LIGHT ON SIDEWALL AT 12F, OPS CHECK GOOD.
- [SDR USAA2012091700002](https://openairdocs.org/sdr/USAA2012091700002), Sep 14, 2012: WARNING SYSTEM. FALSE ACTIVATION. DURING GEAR EXTENSION, LEFT MAIN INDICATED RED ONLY. CREW PERFORMED A MISSED APPROACH, CIRCLED AND PERFORMED A MANUAL GEAR EXTENSION. FOLLOWED QRH PROCEDURE. AS
- [SDR USAA2012090700004](https://openairdocs.org/sdr/USAA2012090700004), Aug 31, 2012: BULKHEAD. CRACKED. FPBH VISIT - CRACK IN FORWARD PRESSURE BULKHEAD HORIZONTAL INTERCOSTAL WEB AT BS 178, WL 207, LBL 30. REPAIRED IAW B737 SRM 53-10-08 & EO 5300V152.
- [SDR USAA2012090700003](https://openairdocs.org/sdr/USAA2012090700003), Aug 28, 2012: BULKHEAD. CRACKED. FPBH VISIT - CRACK IN FORWARD PRESSURE BULKHEAD WEB AT BS 178, WL 218, LBL 10. REPAIRED FORWARD PRESSURE BULKHEAD WEB AT BS 178, WL 218, LBL 10 IAW B737 SRM 53-
- [SDR USAA2012080100004](https://openairdocs.org/sdr/USAA2012080100004), Jul 31, 2012: LENS. MISSING. MAINTENANCE REPORTED SEAT 12ABC EXIT LENS MISSING. MAINTENANCE INSTALLED LENS.
- [SDR USAA2012072600016](https://openairdocs.org/sdr/USAA2012072600016), Jul 23, 2012: STRUCTURE. CRACKED. C5 CHECK - FORWARD SERVICE DOOR CRACKED AT NR 5 AFT DOOR STOP CUTOUT. REPAIRED DOOR IAW EA 104153 .25 INCH CRACK.
- [SDR USAA2012072600015](https://openairdocs.org/sdr/USAA2012072600015), Jul 23, 2012: STRUCTURE. CRACKED. C5 CHECK - FORWARD SERVICE DOOR CRACKED AT NR 4 AFT DOOR STOP CUTOUT. REPAIRED DOOR IAW EA 104153.
- [SDR USAA2012042000013](https://openairdocs.org/sdr/USAA2012042000013), Apr 20, 2012: COVER. UNSECURE. CREW REPORTED THE EXIT SIGN OVER THE LEFT WING EXITS NEEDS RE-SECURED. PREVIOUS CLEAR TAPE NOT STICKING WELL. MAINTENANCE REPLACED EXIT COVER.
- [SDR USAA2012042000012](https://openairdocs.org/sdr/USAA2012042000012), Apr 20, 2012: BATTERY. DISCHARGED. FLIGHT ATTENDANT REPORTED THE AFT MEGAPHONE TESTED WEAK OUTPUT. MAINTENANCE REMOVED AND REPLACED THE BATTERIES IN AFT MEGAPHONE. OPS CHECK GOOD.
- [SDR USAA2012041700011](https://openairdocs.org/sdr/USAA2012041700011), Apr 17, 2012: LENS. MISSING. MAINTENANCE REPORTED THE EMERGENCY LIGHT LENS AND PLACARD MISSING ON SEAT 12C. MAINTENANCE REPLACED MISSING LENS AND PLACARD.
- [SDR USAA2012041700010](https://openairdocs.org/sdr/USAA2012041700010), Apr 17, 2012: LENS. MISSING. MAINTENANCE REPORTED THE EMERGENCY LIGHT LENS ON SEAT 4ABC MISSING. MAINTENANCE REPLACED MISSING LENS.
- [SDR USAA2012021500018](https://openairdocs.org/sdr/USAA2012021500018), Feb 14, 2012: UNKNOWN. ODOR. ON TAXI OUT, A VERY BAD SMELL THROUGHOUT AIRCRAFT (MUSTY LOCKER ROOM TYPE). PASSENGERS AND FLIGHT ATTENDANTS COMPLAINED OF SMELL. RAN PACKS IN HIGH FOR A SHORT 
- [SDR USAA2012020800017](https://openairdocs.org/sdr/USAA2012020800017), Feb 7, 2012: LIGHT. DETACHED. CREW REPORTED THE EMERGENCY LIGHT ON SEAT 12C NEEDS RE-ATTACHED. MAINTENANCE RE-INSTALLED EMERGENCY LIGHT BASE ASSEMBLY ON SEAT 12C. LIGHT CHECKS OK. OK FOR SER
- [SDR USAA2012012300029](https://openairdocs.org/sdr/USAA2012012300029), Jan 22, 2012: SIGN. BROKEN. CREW REPORTED SEAT 13C EXIT SIGN BROKEN. MAINTENANCE ADJUSTED EXIT LIGHT SIGN AS NEEDED. OK FOR SERVICE.
- [SDR USAA2011122000009](https://openairdocs.org/sdr/USAA2011122000009), Dec 17, 2011: FRAME. CRACKED. CDFI VISIT - CRACK ON FUSELAGE FRAME AT BF500F BETWEEN S20L TO S21L. REPAIRED FUSELAGE FRAME AT BF500F BETWEEN S20L TO S21L IAW B737 SRM 53-00-07, REPAIR 13.
- [SDR USAA2011121500027](https://openairdocs.org/sdr/USAA2011121500027), Dec 12, 2011: SENSOR. FAULTY. CREW REPORTED THE NR 1 ENGINE PMC FAULT LIGHT ILLUMINATED ON TAXI OUT. CREW ACCOMPLISHED PMC INOP PROCEDURE FOR TAKEFOFF. THEN AFTER TAKEOFF, THE RIGHT ENGINE W
- [SDR USAA2011120900013](https://openairdocs.org/sdr/USAA2011120900013), Dec 8, 2011: LIGHT. WRONG PART. MAINTENANCE REPORTED THE EXIT SIGN ON SEAT ROW 11, LEFT SIDE, REQUIRES RED BULBS AT ENDS PER DRAWING 05P25D0224. MAINTENANCE REPLACED CLEAR LAMPS WITH RED LAMPS
- [SDR USAA2011112100014](https://openairdocs.org/sdr/USAA2011112100014), Nov 19, 2011: LENS. DETACHED. MAINTENANCE REPORTED SEAT 12C EXIT SIGN CAME OFF. MAINTENANCE RE-ATTACHED LIGHT LENS AT END BAY. OPS CHECK GOOD.
- [SDR USAA2011100300013](https://openairdocs.org/sdr/USAA2011100300013), Oct 2, 2011: TRANSMITTER. UNRELIABLE. ON APPROACH FLAPS 1 DEGREE SELECTED, FLAP GAGE SPLIT W/ LEFT NEEDLE AT 0 DEGREE. NO ROLL OR DISPLACED YOKE. MOVED FLAP LEVER TO 2 DEGREE, 5 DEGREE AND BACK UP -
- [SDR USAA2011090700006](https://openairdocs.org/sdr/USAA2011090700006), Sep 7, 2011: LENS. BROKEN. CREW REPORTED THE LEFT OVERWING EXIT SIGN IS BROKEN - KEEPS FALLING DOWN. MAINTENANCE REPLACED EXIT SIGN LENS.
- [SDR USAA20110516SB076](https://openairdocs.org/sdr/USAA20110516SB076), May 13, 2011: FILTER. DIRTY. PIT - FLIGHT ATTENDANT AND PASSENGERS REPORTED AN ODOR IN PASSENGER CABIN AT ROWS 11 AND 22 (DIRTY SOCK SMELL). TURNED BOTH RECIRC FANS ON. FLIGHT ATTENDANT REP
- [SDR USAA20110415SB055](https://openairdocs.org/sdr/USAA20110415SB055), Apr 15, 2011: FUSE. BLOWN. BDL - MAINTENANCE REPORTED THE EMERGENCY LIGHTS INOPERATIVE AT SEAT MOUNTED EXIT SIGN (11L) AND AFT RIGHT OVERWING EXIT (EXTERIOR). MAINTENANCE REMOVED AND REPL
- [SDR USAA2011022290850](https://openairdocs.org/sdr/USAA2011022290850), Feb 22, 2011: SKIN. CRACKED. CLT - RON - MAJOR REPAIR - CRACK ON FUSELAGE SKIN AT BS 727D + 3 INCHES, S21L. REPAIRED FUSELAGE SKIN AT BS 727D + 3 INCHES, S21L IAW EA 102695.
- [SDR USAA20100617SB102](https://openairdocs.org/sdr/USAA20100617SB102), Jun 14, 2010: FUSE. BLOWN. DCA - MAINTENANCE REPORTED THE EMERGENCY AISLE LIGHT, BENEATH THE OVERHEAD BIN AT SEAT ROW 22DEF, WAS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED A BAD FUSE O
- [SDR USAA20100222SB025](https://openairdocs.org/sdr/USAA20100222SB025), Feb 19, 2010: FILTER. DIRTY. CLT - PILOT REPORTED THAT THE TEMPERATURE IN THE COCKPIT AND THE FORWARD CABIN IS HARD TO CONTROL. ALSO, NOTICED A DIRTY SOCK SMELL. MAINTENANCE ACCOMPLISHED A 
- [SDR USAA2010020890301](https://openairdocs.org/sdr/USAA2010020890301), Feb 5, 2010: SKIN. CRACKED. CLT - MAJOR REPAIR - RON CHECK - EXTERIOR FUSELAGE SKIN CRACKED AT 4 PLACES, A 2.250 INCH CRACK AT BS 727D + 7.5 AND S24R, A 0.80" CRACK AT BS 727E + 14 AND S23
- [SDR USAA2010020590284](https://openairdocs.org/sdr/USAA2010020590284), Feb 2, 2010: SKIN. CRACKED. CLT - MAJOR REPAIR - RON CHECK - CRACKED FUSELAGE EXTERIOR SKIN AT BS 727, S24L. REPAIRED FUSELAGE EXTERIOR SKIN AT BS 727, S24 IAW B737 SRM 53-00-01 REPAIR 31 
- [SDR USAA20100105SB001](https://openairdocs.org/sdr/USAA20100105SB001), Jan 1, 2010: CHARGER. FAULTY. FLL - MAINTENANCE REPORTED SEVERAL SEAT EMERGENCY LIGHTS BEING EXTREMELY DIM. MAINTENANCE REMOVED AND REPLACED THE CHARGER ASSEMBLY AND BATTERY PACK. OPERATIONA
- [SDR USAA2009102692860](https://openairdocs.org/sdr/USAA2009102692860), Oct 24, 2009: SLIDE. UNSECURE. FLT 1753 - CLT TO TPA - EMERGENCY EQUIPMENT - L2 EMERGENCY EVACUATION SLIDE NOT SECURELY STOWED. STOWED L2 EMERGENCY EVACUATION SLIDE, CHECKS NORMAL.
- [SDR USAA2009090492378](https://openairdocs.org/sdr/USAA2009090492378), Sep 1, 2009: KEELBEAM. CORRODED. MAJOR REPAIR - LEVEL 2 CORROSION ON KEELBEAM IN FORWARD CARGO COMPARTMENT AT BS 500G, RBL 8. REPAIRED KEELBEAM IAW EA 101392.
- [SDR USAA2009090492376](https://openairdocs.org/sdr/USAA2009090492376), Aug 28, 2009: BEAM. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 INTERGRANULAR CORROSION ON LEFT HORIZONTAL STABILIZER BEAM UPPER SURFACE AT AFT HINGE LINE AT STAB STA 193.9. REPAIRED LEFT HO
- [SDR USAA2009090492375](https://openairdocs.org/sdr/USAA2009090492375), Aug 28, 2009: BEAM. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON RIGHT HORIZONTAL STABILIZER BEAM AT STAB STA 239.9 AT TRAILING EDGE. REPAIRED RIGHT HORIZONTAL STABIL
- [SDR USAA2009082792262](https://openairdocs.org/sdr/USAA2009082792262), Aug 26, 2009: SKIN. DELAMINATED. CLT - Q3 - MAJOR REPAIR - DELAMINATION ON LOWER TRAILING EDGE SURFACE OF NR 1 SPOILER SKIN & CORE. REPAIRED LOWER TRAILING EDGE SURFACE OF NR 1 SPOILER SKIN & C
- [SDR USAA2009090192309](https://openairdocs.org/sdr/USAA2009090192309), Aug 25, 2009: SKIN. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON FUSELAGE SKIN AT LEADING EDGE OF VHF-3 ANTENNA FOOTPRINT BETWEEN BS 727D TO BS 727E, BL 0. REPAIRED F
- [SDR USAA2009082592243](https://openairdocs.org/sdr/USAA2009082592243), Aug 24, 2009: ANGLE. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON RIGHT TRANSITION ANGLE BETWEEN BS 767 TO BS 787 ABOVE S26R IN AFT CARGO COMPARTMENT. REPLACED RIGHT T
- [SDR USAA2009090192306](https://openairdocs.org/sdr/USAA2009090192306), Aug 23, 2009: SKIN. CRACKED. CLT - Q3 - MAJOR REPAIR - 3 CRACKS ON NR 6 SLAT LOWER TRAILING EDGE SKIN BELOW ATTACH ACTUATOR POINT. REPAIRED NR 6 SLAT LOWER TRAILING EDGE SKIN IAW B737 SRM 5
- [SDR USAA2009082592245](https://openairdocs.org/sdr/USAA2009082592245), Aug 23, 2009: FLOOR SUPPORT. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON FLOOR SUPPORT AT AFT CARGO DOOR ENTRANCE BS 777, S25R, RBL 13.80. REPLACED FLOOR SUPPORT AT AFT CARGO
- [SDR USAA2009082592244](https://openairdocs.org/sdr/USAA2009082592244), Aug 23, 2009: STRAP. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON AFT CARGO FLOOR STRUCTURE ENTRY STRAP BETWEEN BS 787 TO BS 847 ABOVE S25R, RBL 17. REPLACED AFT CARGO
- [SDR USAA2009082592242](https://openairdocs.org/sdr/USAA2009082592242), Aug 23, 2009: ANGLE. CORRODED. CLT - Q3 - MAJOR REPAIR - CORROSION ON Z-ANGLE AT FORWARD ENTRY DOOR AT BS 310, S17L. REPLACED Z-ANGLE AT FORWARD ENTRY DOOR AT BS 310, S17L IAW B737 SRM 51-10-
- [SDR USAA2009082492231](https://openairdocs.org/sdr/USAA2009082492231), Aug 23, 2009: FLOORBEAM. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 GALVANIC CORROSION ON FLOORBEAM AT BS 967, LBL 18. REPAIRED FLOORBEAM AT BS 967, LBL 18 IAW B737-400 SRM 53-00-51-2R-2.
- [SDR USAA2009082492228](https://openairdocs.org/sdr/USAA2009082492228), Aug 22, 2009: ANGLE. CORRODED. CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON TRANSITION ANGLE BETWEEN BS 847 TO BS 867, S26R. REPAIRED TRANSITION ANGLE BETWEEN BS 847 TO BS 867, 
- [SDR USAA2009090492377](https://openairdocs.org/sdr/USAA2009090492377), Aug 21, 2009: FRAME. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK IN FUSELAGE FRAME AT BS 827 BETWEEN S8L TO S9L. REPAIRED FUSELAGE FRAME AT BS 827 BETWEEN S8L TO S9L IAW US AIRWAYS EA 101361.
- [SDR USAA2009082492233](https://openairdocs.org/sdr/USAA2009082492233), Aug 21, 2009: FRAME. CRACKED. CLT - Q3 - MAJOR REPAIR - CRACK ON FRAME AT BS 440, BETWEEN S8L TO S9L. REPAIRED FRAME AT BS 440, BETWEEN S8L TO S9L IAW TYPICAL REPAIR 53-10-20E AND EA 101314.

All 107: https://openairdocs.org/deregistered/N451UW-2013-06-24/reports.md

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