# N449US: 1990 Boeing 737-4B7, registration cancelled 2018-03-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 6, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (registry code 138449C)
- Engine: [CFM International CFM56 series](https://openairdocs.org/engine/cfm-international-cfm56-series) (registry code 13802)
- Serial number: 24893
- Year built: 1990
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: November 9, 1990
- Certificate issued: December 31, 1990
- Last registry action: January 16, 2013
- Mode S code: A56DDF
- Owner when cancelled: [Wilmington Trust Co Trustee](https://openairdocs.org/faa-owner/WILMINGTON%20TRUST%20CO%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/N449US
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=449US
- Page: https://openairdocs.org/deregistered/N449US-2018-03-06

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 737-4B7: https://openairdocs.org/model/boeing-737-4b7.md

## Service difficulty reports (226, newest 50)

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

- [SDR USAA2014072800014](https://openairdocs.org/sdr/USAA2014072800014), Jul 26, 2014: BATTERY. DISCHARGED. THE EMER FLASHLIGHT AT AFT STATION INOPERATIVE. REPLACED BATTERY. OPERATIONS NORMAL IAW MPPM 54-01-10.
- [SDR USAA2014050600001](https://openairdocs.org/sdr/USAA2014050600001), May 4, 2014: SENSOR. FAULTY. ON DESCENT OUT OF 26,000 FT, WITH N1 AT 76%, SMALL COMPRESSOR STALLS ON LT ENG. ENG GAUGES FLUCTUATED ON LT ENG N1 & N2, EGT NORMAL. PULLED ENG TO IDLE, ALL IND
- [SDR USAA2014042100023](https://openairdocs.org/sdr/USAA2014042100023), Apr 17, 2014: FLAP. DELAMINATED. RON VISIT DELAMINATION ON LT OTBD FOREFLAP AT INBD SPAR GOING OTBD 10 INCHES AT MOST TE TIP. REPLACED LT OTBD FOREFLAP IAW AMM 27-51-37-401.
- [SDR USAA2014041000003](https://openairdocs.org/sdr/USAA2014041000003), Apr 9, 2014: COMPUTER. FAULTY. ON TAKEOFF, AFTER GEAR RETRACTION, CAPTAIN'S AIRSPEED WENT TO ZERO & THE ALTITUDE WENT TO 50K. NO AUTO THROTTLES EVEN WITH GREEN LIGHT SWITCH ON. FLIGHT RETURNE
- [SDR USAA2014031300003](https://openairdocs.org/sdr/USAA2014031300003), Mar 12, 2014: ROLLER. OUT OF ADJUST. CREW REPORTED THE FIRST OFFICER'S SEAT IS DIFFICULT TO MOVE FWD & AFT. ADJUSTED AFT ROLLER, OPERATIONS CHECKED OK.
- [SDR USAA2014031200001](https://openairdocs.org/sdr/USAA2014031200001), Mar 11, 2014: SEAT TRACK. DIRTY. FIRST OFFICER`S SEAT DIFFICULT TO MOVE FWD & AFT. CLEANED FIRST OFFICER`S SEAT TRACKS, OPERATIONS CHECKED GOOD.
- [SDR USAA2014021700008](https://openairdocs.org/sdr/USAA2014021700008), Feb 15, 2014: SIGN. BROKEN. MAINTENANCE REPORTED THE EMERGENCY EXIT OVERWING SIGN BROKEN. R & R EMERGENCY EXIT LIGHT ASSEMBLY, CHECKED GOOD.
- [SDR USAA2014012700044](https://openairdocs.org/sdr/USAA2014012700044), Jan 26, 2014: UNKNOWN. ODOR. EN ROUTE FROM FLL TO CLT, AT FL240, A STRONG ODOR FROM ROW 4 & FWD TO COCKPIT WAS NOTICED. ODOR LASTED FOR ABOUT TEN MINUTES. WHEN CREW STARTED DESCENT, ODOR ST
- [SDR USAA2014012100010](https://openairdocs.org/sdr/USAA2014012100010), Jan 20, 2014: SIGN. UNSECURE. THE EMERGENCY EXIT SIGN LOOSE AT RT SIDE 11 - 12 SEAT ROW. SECURED EXIT SIGN.
- [SDR USAA2014011500003](https://openairdocs.org/sdr/USAA2014011500003), Jan 14, 2014: SMOKE DETECTOR. INOPERATIVE. FORWARD LAVATORY SMOKE DETECTOR INOPERATIVE. REPLACED FWD LAVATORY SMOKE DETECTOR, OPERATIONS CHECKED GOOD.
- [SDR USAA2013111100018](https://openairdocs.org/sdr/USAA2013111100018), Nov 9, 2013: SKIN. DELAMINATED. LEFT OTBD AFT FLAP UPPER SKIN DELAMINATED 2 INCHES FORWARD OF T/E FROM OTBD END TO 14 INCHES INBD. R & R FLAP IAW AMM 27-51-39.
- [SDR USAA2013091700003](https://openairdocs.org/sdr/USAA2013091700003), Sep 13, 2013: CHANNEL. CRACKED. CRACK IN THE DRAG ANGLE AFT CHANNEL AT BS 1086, S2R. REPAIRED DRAG ANGLE AFT CHANNEL AT BS1086, S2R IAW EA 105158.
- [SDR USAA2013092000005](https://openairdocs.org/sdr/USAA2013092000005), Sep 11, 2013: CHANNEL. CORRODED. Q3 CHECK -LEVEL 2, EXFOLIATION CORROSION ON RT AFT EMERGENCY EXIT DOOR PRESSURE SEAL CHANNEL BETWEEN BS 616 TO 639 ABOVE S17R LOWER FRAME. REPLACED RT AFT EMERG
- [SDR USAA2013092400010](https://openairdocs.org/sdr/USAA2013092400010), Sep 10, 2013: ANGLE. CORRODED. Q3 CHECK, CORROSION FOUND ON LT AFT EMERGENCY DOOR UNDER LOWER MAIN PRESSURE SEAL ANGLE BETWEEN BS 616 TO 633. REPLACED SEAL ANGLE IAW SRM 52-20-02 & DWG 50-797
- [SDR USAA2013092000004](https://openairdocs.org/sdr/USAA2013092000004), Sep 10, 2013: CHANNEL. CORRODED. Q3 CHECK - CORROSION ON RT FWD EMERGENCY EXIT DOOR PRESSURE SEAL CHANNEL BETWEEN BS 578 TO 601, ABOVE S17R LOWER FRAME. REPLACED RT FWD EMERGENCY EXIT DOOR PRES
- [SDR USAA2013092000003](https://openairdocs.org/sdr/USAA2013092000003), Sep 10, 2013: CHANNEL. CORRODED. Q3 CHECK, CORROSION FOUND ON LT FWD EMERGENCY EXIT DOOR PRESSURE SEAL CHANNEL BETWEEN BS 578 TO 601, ABOVE S17L LOWER FRAME. REPLACED LT FWD EMERGENCY EXIT DOOR
- [SDR USAA2013090600009](https://openairdocs.org/sdr/USAA2013090600009), Sep 4, 2013: TAB. DELAMINATED. Q3 CHECK -DELAMINATION ON RT AILERON TRIM TAB T/E AFT TIP & OTBD CORNER. REPLACED RT AILERON TRIM TAB IAW JOB CARD 03C40627010.
- [SDR USAA2013090600008](https://openairdocs.org/sdr/USAA2013090600008), Sep 4, 2013: SKIN. DEBONDED. TWO AREAS OF SKIN DEBONDED ON RT AILERON FWD SPAR AT HINGES 1 & 3 APPROX. 1.5 INCHES AFT OF L/E, 10.5" FROM INBD END & 65.75" FROM OTBD END. REPLACED RT AILERON
- [SDR USAA2013090400011](https://openairdocs.org/sdr/USAA2013090400011), Sep 3, 2013: STRINGER CLIP. CRACKED. Q3 CHECK, CRACK IN STRINGER CLIP AT BS 787, S24R. REPLACED STRINGER CLIP IAW SRM 51-40-02.
- [SDR USAA2013090600011](https://openairdocs.org/sdr/USAA2013090600011), Sep 1, 2013: SHEAR TIE. CORRODED. Q3 CHECK - CORROSION ON SHEAR TIE AT BS 787, S27R. REPLACED SHEAR TIE IAW EA 105088.
- [SDR USAA2013090500009](https://openairdocs.org/sdr/USAA2013090500009), Sep 1, 2013: SPAR. DELAMINATED. Q3 CHECK, THREE AREAS OF DELAMINATION ON LT AILERON FORWARD SPAR HINGE POINTS 1, 2 & 4 ALONG INBD EDGE. REPLACED LT AILERON IAW JOB CARD 03C30627009.
- [SDR USAA2013091600016](https://openairdocs.org/sdr/USAA2013091600016), Aug 31, 2013: SHEAR TIE. CORRODED. Q3 CHECK, FRAME TO FUSELAGE SHEAR TIE CORRODED AT FS 767 BETWEEN S27L R AND S27L. REPAIRED SHEAR TIE IAW EA 105077.
- [SDR USAA2013090300030](https://openairdocs.org/sdr/USAA2013090300030), Aug 31, 2013: SHEAR TIE. CORRODED. Q3 CHECK - CORROSION ON SHEAR TIE AT BS 747 BETWEEN S26-27R, RBL12. REPLACED SHEAR TIE IAW SRM 53-00-07, REPAIR 3.
- [SDR USAA2013090500012](https://openairdocs.org/sdr/USAA2013090500012), Aug 30, 2013: FRAME. CRACKED. Q3 CHECK, CRACK ON FRAME WEB AT BS 947.5, S15R. REPAIRED FRAME IAW DWG 65-46561.
- [SDR USAA2013090300034](https://openairdocs.org/sdr/USAA2013090300034), Aug 30, 2013: SHEAR TIE. CORRODED. Q3 CHECK - CORROSION ON SHEAR TIE AT BS 927, BL 0. REPLACED SHEAR TIE IAW SRM 53-00-07-2R-10.
- [SDR USAA2013090300033](https://openairdocs.org/sdr/USAA2013090300033), Aug 30, 2013: SHEAR TIE. WORN. Q3 CHECK - SHEAR TIE WORN AT BS 907 BETWEEN S27L TO S27R. REPAIRED SHEAR TIE IAW EA 105044.
- [SDR USAA2013090300031](https://openairdocs.org/sdr/USAA2013090300031), Aug 30, 2013: SHEAR TIE. CORRODED. Q3 CHECK - CORROSION ON SHEAR TIE AT BS 767, LBL 12. REPLACED SHEAR TIE IAW SRM 53-00-07-2R-8.
- [SDR USAA2013090600010](https://openairdocs.org/sdr/USAA2013090600010), Aug 29, 2013: STRINGER. CORRODED. Q3 CHECK - CORROSION ON STRINGER 21R BETWEEN BS 927 TO 947. REPAIRED STRINGER IAW SRM 53-00-03-2R-1, DETAL V11.
- [SDR USAA2013090400009](https://openairdocs.org/sdr/USAA2013090400009), Aug 28, 2013: STOP FITTING. CORRODED. Q3 CHECK - CORROSION ON AFT CARGO DOOR AFT FRAME DOOR STOP NR 4 AT BS 847, S21R. REPLACED DOOR STOP IAW SRM 51-10-02, PAR 8.
- [SDR USAA2013090500013](https://openairdocs.org/sdr/USAA2013090500013), Aug 27, 2013: SPAR. CRACKED. Q3 CHECK, CRACK ON RUDDER LT FRONT SPAR TAB BETWEEN RUDDER STATION 10.8 TO 20. REPAIRED RUDDER LT FRONT SPAR TAB BETWEEN RUDDER IAW EA 105064.
- [SDR USAA2013090400014](https://openairdocs.org/sdr/USAA2013090400014), Aug 26, 2013: SKIN. CRACKED. Q3 CHECK - CRACK IN FUSELAGE SKIN AT BS 944.25, S24L. REPAIRED SKIN IAW EA NR 105014.
- [SDR USAA2013090300029](https://openairdocs.org/sdr/USAA2013090300029), Aug 26, 2013: STRINGER CLIP. CRACKED. Q3 CHECK -CRACK ON STRINGER CLIP AT BS 727D, S8R. REPLACED STRINGER CLIP IAW SRM 51-40-02.
- [SDR USAA2013090300028](https://openairdocs.org/sdr/USAA2013090300028), Aug 26, 2013: STRINGER CLIP. CRACKED. Q3 CHECK, CRACK ON STRINGER CLIP AT BS 400, S28R. REPLACED STRINGER CLIP IAW SRM 51-10-02.
- [SDR USAA2013090500010](https://openairdocs.org/sdr/USAA2013090500010), Aug 24, 2013: FRAME. CORRODED. Q3 CHECK, CORROSION ON FRAME BS 227.8, BL 0. REPAIRED FRAME IAW SRM 53-10-08-13, REPAIR 13.
- [SDR USAA2013090400004](https://openairdocs.org/sdr/USAA2013090400004), Aug 24, 2013: FLOORBEAM. CORRODED. Q3 CHECK - CORROSION ON FLOORBEAM TEE AT BS 986 BETWEEN LBL 60 TO RB L60. REPAIRED FLOORBEAM TEE IAW SRM 53-00-51-2R-2.
- [SDR USAA2013090400003](https://openairdocs.org/sdr/USAA2013090400003), Aug 24, 2013: FLOORBEAM. CORRODED. Q3 CHECK - CORROSION ON FLOORBEAM AT BS 967 BETWEEN LBL 16 TO RBL 16. REPAIRED FLOORBEAM IAW SRM 53-00-51-2R-2.
- [SDR USAA2013090400002](https://openairdocs.org/sdr/USAA2013090400002), Aug 22, 2013: FLOORBEAM. CRACKED. Q3 CHECK -CRACK ON FLOORBEAM AT BS 710, LBL 24.8. REPAIRED FLOORBEAM IAW EA 105040.
- [SDR USAA2013090500016](https://openairdocs.org/sdr/USAA2013090500016), Aug 21, 2013: ANGLE. CORRODED. Q3 CHECK, CORROSION ON LT AFT ZEE ANGLE BETWEEN BS 915 TO 1006, LBL 60. REPLACED ZEE ANGLE IAW SRM 51-10-02.
- [SDR USAA2013090400008](https://openairdocs.org/sdr/USAA2013090400008), Aug 20, 2013: WEB. CRACKED. Q3 CHECK -CRACK ON FWD ENTRY DOOR, INTERNAL WEB ABOVE DOOR HANDLE APPROX 29 INCHES FROM TOP, MID SPAN OF DOOR WIDTH, 13 INCHES FROM FWD EDGE. REPAIRED FORWARD E
- [SDR USAA2013081900039](https://openairdocs.org/sdr/USAA2013081900039), Aug 17, 2013: DOOR FRAME. CRACKED. DURING Q3 CHECK, A CRACK FOUND IN FWD SERVICE DOOR FRAME AT CORNER BEAM NR1 AT LOWER T/E CORNER OF PAN FRAME. REPLACED FWD SERVICE DOOR IAW JC 03C10652008.
- [SDR USAA2013081900038](https://openairdocs.org/sdr/USAA2013081900038), Aug 17, 2013: STOP FITTING. CRACKED. DURING Q3 CHECK, TWO CRACKS IN FWD SERVICE DOOR AT STOP FITTING AT CORNER BEAM NR 1 T/E INSIDE CORNER AT DOUBLER. REPLACED FORWARD SERVICE DOOR IAW 03C10652008.
- [SDR USAA2013082000006](https://openairdocs.org/sdr/USAA2013082000006), Aug 15, 2013: FLOOR SUPPORT. CRACKED. DURING Q3 CHECK, A CRACK FOUND ON FLOOR SUPPORT ANGLE BETWEEN BS 500G TO 520, BL 0. REPLACED FLOOR SUPPORT IAW SRM 51-10-02.
- [SDR USAA2013081900040](https://openairdocs.org/sdr/USAA2013081900040), Aug 13, 2013: DOOR FRAME. CRACKED. DURING Q3 CHECK, A CRACK FOUND IN FWD SERVICE DOOR FRAME UNDER STOP FITTING AT BEAM NR 1 AT T/E CORNER OTBD HOLE. REPLACED FORWARD SERVICE DOOR IAW JD 03C106520
- [SDR USAA2013081900035](https://openairdocs.org/sdr/USAA2013081900035), Aug 13, 2013: SHEAR TIE. CRACKED. DURING Q3 CHECK, FOUND A CRACK ON SHEAR TIE AT BS 380 BETWEEN S8-9L. REPLACED SHEAR TIE IAW SRM 51-40-02.
- [SDR USAA2013081900033](https://openairdocs.org/sdr/USAA2013081900033), Aug 9, 2013: FRAME. CRACKED. DURING Q3 CHECK, A CRACK WAS FOUND ON FUSELAGE FRAME AT BS 500A BETWEEN S8-9L. REPAIRED FRAME IAW TR 737-5310-10-0287.
- [SDR USAA2013081200023](https://openairdocs.org/sdr/USAA2013081200023), Aug 9, 2013: STRINGER CLIP. CRACKED. DURING Q3 CHECK, A CRACK WAS FOUND ON STRINGER CLIP AT BS 663.75, S4L. REPLACED STRINGER CLIP IAW SRM 51-40-02.
- [SDR USAA2013081200017](https://openairdocs.org/sdr/USAA2013081200017), Aug 9, 2013: FLOORBEAM. CRACKED. DURING Q3 CHECK, A CRACK WAS FOUND ON FLOORBEAM UPPER TEE AT BS 658, LBL 24.8. REPAIRED FLOORBEAM UPPER TEE IAW EA 105031.
- [SDR USAA2013092400009](https://openairdocs.org/sdr/USAA2013092400009), Aug 8, 2013: SUPPORT BRACKET. CRACKED. Q3 CHECK, CRACK ON SUPPORT BRACKET OF L1 DOOR SURROUND STRUCTURE AT BS 294.5, S12L. REPLACED SUPPORT BRACKET IAW DWG 65-17684.
- [SDR USAA2013081200022](https://openairdocs.org/sdr/USAA2013081200022), Aug 8, 2013: STRINGER CLIP. CRACKED. DURING Q3 CHECK, A CRACK WAS FOUND ON STRINGER CLIP BS 663, S4R. REPLACED STRINGER CLIP IAW SRM 51-40-02.
- [SDR USAA2013081200016](https://openairdocs.org/sdr/USAA2013081200016), Aug 8, 2013: SUPPORT ANGLE. CRACKED. DURING Q3 CHECK, A CRACK WAS FOUND ON FLOORBEAM WEB SUPPORT ANGLE AT BS 328, RBL 30. REPLACED FLOORBEAM WEB SUPPORT ANGLE IAW SRM 51-40-02 & DWG 65-45812-46.

All 226: https://openairdocs.org/deregistered/N449US-2018-03-06/reports.md

## 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.

- [Accident 20130710013019A](https://openairdocs.org/incident/20130710013019A), Jul 10, 2013: Boeing 737-4B7 (N449US), Fort Myers, FL, Substantial damage. Upon landing at rsw airport, it was reported to the us airways B737 captian that during landing a grinding metal noise was thought to be heard. The captain…

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