# N453UW: 1991 Boeing 737-4B7, registration cancelled 2018-03-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 2, 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: 24980
- Year built: 1991
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: January 22, 1991
- Certificate issued: January 22, 1991
- Last registry action: May 1, 2013
- Mode S code: A57F18
- 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/N453UW
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=453UW
- Page: https://openairdocs.org/deregistered/N453UW-2018-03-02

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

## Service difficulty reports (96, newest 50)

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

- [SDR USAA2013100700008](https://openairdocs.org/sdr/USAA2013100700008), Oct 2, 2013: STRINGER. CRACKED. LEASE RETURN. FUSELAGE STRINGER S10L CRACKED BETWEEN FS 283.5 AND 285.75. REPAIRED STRINGER IAW EA 97421A.
- [SDR USAA2013090400015](https://openairdocs.org/sdr/USAA2013090400015), Sep 2, 2013: PLACARD. MISSING. EXIT ROW 11C, EXIT PLACARD IS MISSING. INSTALLED EXIT PLACARD AT 11C.
- [SDR USAA2013081300003](https://openairdocs.org/sdr/USAA2013081300003), Aug 13, 2013: LIGHT. BROKEN. CREW REPORTED THE EMERGENCY EXIT LIGHT AT ROW 11 BROKEN. MX REPLACED LIGHT ASSY. OPS CHECKED GOOD.
- [SDR USAA2013072300007](https://openairdocs.org/sdr/USAA2013072300007), Jul 22, 2013: MEGAPHONE. INOPERATIVE. CREW REPORTED THE MEGAPHONE IN AFT CABIN INOPERATIVE. MX R & R AFT CABIN MEGAPHONE. OPS CHECKED GOOD IAW AMM 25-64-04-710-801.
- [SDR USAA2013041200016](https://openairdocs.org/sdr/USAA2013041200016), Apr 10, 2013: LENS. MISSING. CREW REPORTED THE EMERGENCY EXIT LENS MISSING AT ROW 11. MAINTENANCE REPLACED EMERGENCY EXIT LENS.
- [SDR USAA2013011400012](https://openairdocs.org/sdr/USAA2013011400012), Jan 6, 2013: FRAME. CORRODED. C5 CHECK - CORROSION ON FUSELAGE FRAME 727G, LBL 4. REPAIRED FUSELAGE FRAME 727G, LBL 4 IAW B737 SRM 53-00-07 REPAIR 8.
- [SDR USAA2013010400007](https://openairdocs.org/sdr/USAA2013010400007), Jan 4, 2013: TRIM TAB. CRACKED. C5 CHECK - CRACK ON RIGHT ELEVATOR TAB AT NR 2 UPPER HINGE CUTOUT APPROX 4 INCHES FROM INBOARD END. REPLACED RIGHT ELEVATOR TAB IAW JOB CARD 03C71227004.
- [SDR USAA2013010400006](https://openairdocs.org/sdr/USAA2013010400006), Jan 4, 2013: TRIM TAB. DAMAGED. C5 CHECK - COMPOSITE DAMAGE ON LEFT ELEVATOR TAB UPPER SURFACE APPROX 4 INCHES FROM INBOARD END. REPLACED LEFT ELEVATOR TAB IAW JOB CARD 03C71127007.
- [SDR USAA2013010400008](https://openairdocs.org/sdr/USAA2013010400008), Jan 2, 2013: SKIN. CRACKED. C5 CHECK - CRACK IN FUSELAGE SKIN AT BS 727G-2 INCHES, S25L. REPAIRED FUSELAGE SKIN AT BS 727G-2 INCHES, S25L IAW EA 104485.
- [SDR USAA2013010200011](https://openairdocs.org/sdr/USAA2013010200011), Dec 27, 2012: STOP FITTING. CORRODED. 5C CHECK - LEVEL 2 EXFOLIATION CORROSION ON AFT CARGO LOWER FORWARD DOOR STOP AT BS 800, S23.5R. REPLACED AFT CARGO LOWER FORWARD DOOR STOP AT BS 800, S23.5R IA
- [SDR USAA2012110800007](https://openairdocs.org/sdr/USAA2012110800007), Nov 6, 2012: SKIN PANEL. CRACKED. RON - FUSELAGE SKIN CRACKED AT FS 743 AND S25L. REPAIRED SKIN IAW B737-400 SRM 53-00-02-2R-31.
- [SDR USAA2012092400024](https://openairdocs.org/sdr/USAA2012092400024), Sep 22, 2012: LENS. UNSECURE. CREW REPORTED ROW 25DEF EMERGENCY LIGHT LENS FELL OUT. MAINTENANCE REPLACED ROW 25DEF EMERGENCY LIGHT LENS ASSEMBLY ON BULLNOSE. OPS CHECKS OK.
- [SDR USAA2012082000003](https://openairdocs.org/sdr/USAA2012082000003), Aug 19, 2012: COVER. MISSING. CREW REPORTED THE EMERGENCY EXIT SIGN COVER AT ROW 11 MISSING. MAINTENANCE INSTALLED NEW EXIT SIGN COVER AT ROW 11.
- [SDR USAA2012081000002](https://openairdocs.org/sdr/USAA2012081000002), Aug 9, 2012: LENS. MISSING. RON - ROW 11 SEAT MOUNTED EXIT SIGN RED LAMPS INOPERATIVE & LENS MISSING. RELAMPED AND REPLACED MISSING LENS. OPS CHECKS GOOD.
- [SDR USAA2012080900008](https://openairdocs.org/sdr/USAA2012080900008), Aug 9, 2012: LENS. MISSING. MAINTENANCE REPORTED ROW 11 SEAT MOUNTED EXIT SIGN RED LAMPS INOPERATIVE AND LENS MISSING. MAINTENANCE RELAMPED AND REPLACED MISSING LENS AT ROW 11 SEAT MOUNTED
- [SDR USAA2012072400017](https://openairdocs.org/sdr/USAA2012072400017), Jul 23, 2012: SKIN. CRACKED. RON - FUSELAGE SKIN CRACKED AT BS 927, S23L. REPAIRED SKIN IAW B737 SRM 53-00-01-2R-31.
- [SDR USAA2012062500013](https://openairdocs.org/sdr/USAA2012062500013), Jun 22, 2012: POWER SUPPLY. FAULTY. CREW REPORTED THE CABIN EMERGENCY LIGHT AT DOOR 1L AND 1R ILLUMINATE INTERMITTENTLY IN FLIGHT. FLOOR LEVEL LIGHT ALSO INTERMITTENLY ILLUMINATE. NOTE: WHEN FLIGH
- [SDR USAA2012052900015](https://openairdocs.org/sdr/USAA2012052900015), May 26, 2012: WARNING HORN. FAULTY. ON TAKEOFF ROLL AT APPROXIMATELY 20 KTS, THE FLIGHT CREW GOT A TAKEOFF WARNING HORN. THE CREW CHECKED FLAPS, TRIM AND SPEED BRAKE BUT TAKEOFF WARNING HORN REMAI
- [SDR USAA2012043000015](https://openairdocs.org/sdr/USAA2012043000015), Apr 30, 2012: POWER SUPPLY. INOPERATIVE. CREW REPORTED THE EXIT LIGHT OVER THE R1 DOOR AND BULKHEAD BETWEEN FIRST CLASS AND COACH BLINK ON AND OFF CONTINUOUSLY. MAINTENANCE REMOVED AND REPLACED THE POW
- [SDR USAA2012031300013](https://openairdocs.org/sdr/USAA2012031300013), Mar 9, 2012: GIRT BAR. OUT OF POSITION. CREW REPORTED THE L1 DOOR WOULD NOT ARM. MAINTENANCE REPOSITIONED GIRT BAR.
- [SDR USAA2012030800021](https://openairdocs.org/sdr/USAA2012030800021), Mar 7, 2012: SLIDE. DAMAGED. C4 CHECK - L-1 DOOR ESCAPE SLIDE GIRT BAR CENTERING TUBE DAMAGED AND LOOSE FROM GIRT. REPLACED L1 DOOR SLIDE IAW JOB CARD # 03T10025002.
- [SDR USAA2012030800001](https://openairdocs.org/sdr/USAA2012030800001), Mar 2, 2012: SPOILER. DELAMINATED. C4 CHECK - DELAMINATION ON LEFT WING NR 1 SPOILER AT ACTUATOR FITTING AT WBL 421. REPLACED LEFT WING NR 1 SPOILER IAW B737 AMM 27-62-91-404-010.
- [SDR USAA2012030900006](https://openairdocs.org/sdr/USAA2012030900006), Mar 1, 2012: SKIN. CRACKED. C4 CHECK - 2.0" LONG CRACK IN FUSELAGE SKIN AT BS 801, S23L. REPAIRED FUSELAGE SKIN AT BS 801, S23L IAW B737 SRM 53-00-01-2R-31, FIG 201, PROCEDURE V, DETAIL VI
- [SDR USAA2012022400023](https://openairdocs.org/sdr/USAA2012022400023), Feb 23, 2012: SIGN. BROKEN. CREW REPORTED THE EXIT SIGN AT ROW 11 MISSING/BROKEN. FLIGHT RETURNED TO THE GATE. MAINTENANCE REMOVED AND REPLACED LIGHT ASSEMBLY EXIT SIGN AT ROW 11 LEFT PER 
- [SDR USAA2011102500010](https://openairdocs.org/sdr/USAA2011102500010), Oct 22, 2011: WEB. CRACKED. 2S CHECK - CRACK ON VERTICAL WEB AT BS 180, WL 227.5, LBL 17. REPAIRED VERTICAL WEB AT BS 180, WL 227.5, LBL 17 IAW B737 SRM 53-10-08.
- [SDR USAA2011110200003](https://openairdocs.org/sdr/USAA2011110200003), Oct 20, 2011: FRAME. CRACKED. FPBH - CRACK ON FUSELAGE FRAME AT BS 639, S16L, WL 208. REPAIRED FUSELAGE FRAME AT BS 639, S16L, WL208 IAW TYPICAL REPAIR 737-5362-10-0098A.
- [SDR USAA2011103100012](https://openairdocs.org/sdr/USAA2011103100012), Oct 20, 2011: BULKHEAD. CRACKED. FPBH - CRACK ON FORWARD PRESSURE BULKHEAD FRAME INNER CHORD AT BS 616 JUST BELOW WL 20.8. REPAIRED FRAME INNER CHORD AT BS 616 IAW TYPICAL REPAIR 737-5362-10-00
- [SDR USAA2011110200002](https://openairdocs.org/sdr/USAA2011110200002), Oct 19, 2011: SKIN. CRACKED. DROP IN - CRACK ON FUSELAGE SKIN AT 727F, S25R. REPAIRED FUSELAGE SKIN AT 727F, S25R IAW B737-400 SRM 53-00-01, REPAIR XV.
- [SDR USAA2011091200005](https://openairdocs.org/sdr/USAA2011091200005), Sep 10, 2011: PLACARD. MISSING. MAINTENANCE REPORTED ROW 11 EXIT PLACARD MISSING. MAINTENANCE INSTALLED PLACARD. OK FOR SERVICE.
- [SDR USAA2011071900010](https://openairdocs.org/sdr/USAA2011071900010), Jul 18, 2011: PLACARD. MISSING. BDL - EXIT PLACARD AT 11L MISSING. INSTALLED PLACARD. OK FOR SERVICE.
- [SDR USAA2011062700004](https://openairdocs.org/sdr/USAA2011062700004), Jun 25, 2011: OVEN. FAULTY. FLT 1181 - CLT - ODOR - CREW REPORTED THE FORWARD OVEN PRODUCES A NOTICEABLE ELECTRIC SMELL. MAINTENANCE REMOVED AND REPLACED THE FORWARD GALLEY OVEN IAWB737 MM
- [SDR USAA2011031191022](https://openairdocs.org/sdr/USAA2011031191022), Mar 9, 2011: SKIN. CRACKED. CLT - C2 - MAJOR REPAIR - CRACK IN FUSELAGE SKIN AT BS 379, S28L. REPAIRED FUSELAGE SKIN AT BS 379, S28L IAW EA 102774.
- [SDR USAA2011031191030](https://openairdocs.org/sdr/USAA2011031191030), Mar 5, 2011: SKIN. DEBONDED. CLT - C3 - MAJOR REPAIR - DISBONDING ON LEFT WING OUTBOARD AFT FLAP AT INBOARD LOWER SURFACE. REPLACED LEFT WING OUTBOARD AFT FLAP IAW B737 AMM 27-51-39.
- [SDR USAA2011031191029](https://openairdocs.org/sdr/USAA2011031191029), Mar 5, 2011: SKIN. CRACKED. CLT - C3 - MAJOR REPAIR - CRACK IN FUSELAGE SKIN AT BS 727F, S23L. REPAIRED FUSELAGE SKIN AT BS 727F, S23L IAW B737 SRM 51-00-01.
- [SDR USAA2011031191028](https://openairdocs.org/sdr/USAA2011031191028), Mar 5, 2011: SKIN. CRACKED. CLT - C3 - MAJOR REPAIR - CRACK IN FUSELAGE SKIN AT BS 727 + 14 INCHES, S23R. REPAIRED FUSELAGE SKIN AT BS 727 + 14 INCHES, S23R IAW B737 SRM 51-00-01.
- [SDR USAA2011031191023](https://openairdocs.org/sdr/USAA2011031191023), Mar 2, 2011: TAB. DELAMINATED. CLT - C3 - MAJOR REPAIR - DELAMINATION ON RIGHT AILERON TAB LEADING EDGE 18 INCHES OUTBOARD OF INBOARD SIDE OF TAB. REPLACED RIGHT AILERON TAB IAW B737 AMM 27-1
- [SDR USAA20100915SB146](https://openairdocs.org/sdr/USAA20100915SB146), Sep 15, 2010: BATTERY PACK. DISCHARGED. BDL - MAINTENANCE REPORTED THE EMERGENCY LIGHTS INOPERATIVE AT SEAT ROWS 1 & 2, R1 DOOR EXIT SIGN, 1ABC COVE PANEL AND THE EXTERIOR LIGHT AFT OF R2 DOOR. MAINTE
- [SDR USAA20100614SB099](https://openairdocs.org/sdr/USAA20100614SB099), Jun 12, 2010: BATTERY PACK. DISCHARGED. CLT - MAINTENANCE REPORTED THE AISLE EMERGENCY LIGHTS FROM SEAT ROWS 12 TO 19, LEFT, WILL NOT STAY ILLUMINATED. MAINTENANCE REMOVED AND REPLACED THE BATTERY PAC
- [SDR USAA20100611SB097](https://openairdocs.org/sdr/USAA20100611SB097), Jun 7, 2010: TIRE. BLOWN. STL - AFTER TAKEOFF FROM CLT, CAPTAIN REPORTED POSSIBLE NOSE TIRE DAMAGE ON ROTATION DUE TO SHIMMY EXPERIENCED. CREW REPORTED, THAT AS THEY ROTATED THE AIRCRAFT
- [SDR USAA20100408SB047](https://openairdocs.org/sdr/USAA20100408SB047), Apr 7, 2010: MODULE. FAULTY. CLT - ON APPROACH INTO CLT, FROM FLL, CREW REPORTED THE LEFT PACK SMELLS HOT/WET. A BAD (STINKY) SMELL WAS NOTED IN THE CABIN. FLIGHT LANDED WITHOUT FURTHER INC
- [SDR USAA2010030890521](https://openairdocs.org/sdr/USAA2010030890521), Mar 5, 2010: KEELBEAM. CORRODED. CLT - Q5 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON KEEL BEAM CHORD AT BS 747, S27L. REPAIRED KEEL BEAM CHORD AT BS 747, S27L IAW EA 101768.
- [SDR USAA2010030590498](https://openairdocs.org/sdr/USAA2010030590498), Mar 4, 2010: SHEAR TIE. CORRODED. CLT - Q5 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON FUSELAGE FRAME SHEAR TIES AT BS 807 BETWEEN S27L TO S27R. REPAIRED FUSELAGE FRAME SHEAR TIES AT BS 80
- [SDR USAA2010030490497](https://openairdocs.org/sdr/USAA2010030490497), Mar 3, 2010: FRAME. CORRODED. CLT - Q5 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON FUSELAGE FRAME AT BS 727F, S27R. REPAIRED FUSELAGE FRAME AT BS 727F, S27R IAW B737 SRM 53-00-07-2R4.
- [SDR USAA2010030390481](https://openairdocs.org/sdr/USAA2010030390481), Mar 1, 2010: SKIN. CRACKED. CLT - Q5 - MAJOR REPAIR - CRACK IN FUSELAGE SKIN AT L-1 DOOR UPPER & LOWER HINGE CUTOUT BS 300, S9L. REPAIRED FUSELAGE SKIN AT L-1 DOOR UPPER & LOWER HINGE CUTO
- [SDR USAA2010030190471](https://openairdocs.org/sdr/USAA2010030190471), Feb 26, 2010: KEELBEAM. CRACKED. CLT - Q5 - MAJOR REPAIR - CRACK ON KEEL BEAM MACHINED FORMER AT BS 711, LBL 6.5. REPLACED KEEL BEAM MACHINED FORMER AT BS 711, LBL 6.5 IAW B737 SRM 51-70-03 & B
- [SDR USAA2010030190470](https://openairdocs.org/sdr/USAA2010030190470), Feb 25, 2010: FLOORBEAM. CRACKED. CLT - Q5 - MAJOR REPAIR - CRACKS IN LONGITUDINAL FLOORBEAM AT BS 665 & BS 670, LBL 24.8. REPAIRED LONGITUDINAL FLOORBEAM AT BS 665 & BS 670, LBL 24.8 IAW EA 101
- [SDR USAA2010022690453](https://openairdocs.org/sdr/USAA2010022690453), Feb 25, 2010: STRINGER CLIP. CRACKED. CLT - Q5 - MAJOR REPAIR - CRACK ON STRINGER TIE CLIP AT BS 727B, S23L. REPLACED STRINGER TIE CLIP AT BS 727B, S23L IAW B737 SRM 51-10-02 & 51-40-02.
- [SDR USAA2010022590446](https://openairdocs.org/sdr/USAA2010022590446), Feb 24, 2010: SKIN. CRACKED. CLT - Q5 - MAJOR REPAIR - CRACK IN LEFT PYLON SKIN PANEL 5728L ACCESS HOLE. REPAIRED LEFT PYLON SKIN IAW TYPICAL REPAIR 54-30-07.
- [SDR USAA2010031090558](https://openairdocs.org/sdr/USAA2010031090558), Feb 23, 2010: FLOORBEAM. CRACKED. CLT - Q5 - MAJOR REPAIR - CRACK ON FLOORBEAM UPPER CHORD AT BS 663, RBL 24.8. REPAIRED FLOORBEAM UPPER CHORD AT BS 663, RBL 24.8 IAW EA 101708.
- [SDR USAA2010030890523](https://openairdocs.org/sdr/USAA2010030890523), Feb 23, 2010: STIFFENER. CORRODED. CLT - Q5 - MAJOR REPAIR - EXFOLIATION CORROSION ON STIFFENER AT BS 278 IN FORWARD LAV PAN AREA. REPLACED STIFFENER AT BS 278 IN FORWARD LAV PAN AREA IAW B737 SR

All 96: https://openairdocs.org/deregistered/N453UW-2018-03-02/reports.md

---
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.