# N518AU: 1987 Boeing 737-3B7, registration cancelled 2008-10-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 10, 2008
- Status when cancelled: Valid registration
- Airframe: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (registry code 138447F)
- Engine: [GE CFM56 series](https://openairdocs.org/engine/ge-cfm56-series) (registry code 30016)
- Serial number: 23704
- Year built: 1987
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: December 23, 1987
- Certificate issued: October 24, 2006
- Last registry action: October 24, 2006
- Mode S code: A67F3A
- Owner when cancelled: [737 Portfolio Trust](https://openairdocs.org/faa-owner/737%20PORTFOLIO%20TRUST)
- 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/N518AU
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=518AU
- Page: https://openairdocs.org/deregistered/N518AU-2008-10-10

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 737-3B7: https://openairdocs.org/model/boeing-737-3b7.md

## Service difficulty reports (88, newest 50)

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

- [SDR USAA920081294](https://openairdocs.org/sdr/USAA920081294), Jul 8, 2008: SKIN. CRACKED. CLT RON MAJOR REPAIR LOG 4390633- FUSELAGE SKIN CRACKED AT BS 727E, S-24R. REPAIRED FUSELAGE SKIN AT BS727E, S-24R IAW B737 SRM 53-00-01 AND US AIRWAYS TYPICAL 
- [SDR USAA920070820](https://openairdocs.org/sdr/USAA920070820), Sep 8, 2007: STRINGER. CORRODED. CLT - MAJOR REPAIR - C-5 CHECK, LEVEL 2 CORROSION ON STRINGER, BS 1006 - BS 1016, RBL 8. REPAIRED STRINGER, BS 1006 - BS 1016, RBL 8 IAW B737-300 SRM 51-10-02.
- [SDR USAA920070821](https://openairdocs.org/sdr/USAA920070821), Sep 7, 2007: FLOORBEAM. CORRODED. CLT - MAJOR REPAIR - C-5 CHECK, LEVEL 2 CORROSION ON FLOORBEAM, BS 986, LBL 10. REPAIRED FLOORBEAM, BS 986, LBL 10 IAW USAIRWAYS TYPICAL REPAIR 53-10-05B.
- [SDR USAA920070819](https://openairdocs.org/sdr/USAA920070819), Sep 7, 2007: FITTING. CRACKED. CLT - MAJOR REPAIR - C-5 CHECK, LEFT HAND HORIZONTAL STABILIZER CENTER SECTION THRUST BEAM CORNER FITTING CRACKED, STABILIZER STATION 83.05. REPLACED LEFT HAND 
- [SDR USAA920070887](https://openairdocs.org/sdr/USAA920070887), Sep 4, 2007: SKIN. CRACKED. CLT - MAJOR REPAIR - C-5 CHECK, FORWARD SERVICE DOOR EXTERIOR SKIN CRACKED AT UPPER HINGE CUTOUT. REPAIRED FORWARD SERVICE DOOR EXTERIOR SKIN AT UPPER HINGE CUT
- [SDR USAA070497](https://openairdocs.org/sdr/USAA070497), Jun 28, 2007: FRAME. CRACKED. FOUND BS 847 RBL 36. REPAIRED PER SRM 51-40-02, DEFECT SIZE: 1/16".
- [SDR SB07045](https://openairdocs.org/sdr/SB07045), Jun 7, 2007: WIRE. BROKEN. PIT - MAINTENANCE REPORTED THE SEAT MOUNTED EMERGENCY LIGHT AT SEAT 7ABC BROKEN/INOPERATIVE. MAINTENANCE REPAIRED WIRES ON SEAT MOUNTED EMERGENCY LIGHT AT SEAT 
- [SDR USAA200704005](https://openairdocs.org/sdr/USAA200704005), Apr 23, 2007: SKIN. CRACKED. CRACK FOUND AT STA 727D + 18" AND S24L. INSTALLED DOUBLER PER SRM 53-00-01 AND TR 53-60-03A.
- [SDR USAA061216](https://openairdocs.org/sdr/USAA061216), Oct 13, 2006: DOOR FRAME. CRACKED. FWD CARGO DOOR FWD FRAME AT LOWER DOOR STOP BS 440 S23R CRACK. INSTALLED DOUBLER AND FILLERS IAW EA 98153, DEFECT SIZE: .25 INCH.
- [SDR SB06084](https://openairdocs.org/sdr/SB06084), Aug 29, 2006: BATTERY PACK. DISCHARGED. DCA - MAINTENANCE REPORTED THE FORWARD SERVICE DOOR EMERGENCY EXIT LIGHT INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK. OPERATIONAL CHECK GOOD.
- [SDR SB06066](https://openairdocs.org/sdr/SB06066), Jul 7, 2006: WINDSHIELD. CRACKED. PIT FLT288 DURING CRUISE, EN ROUTE FROM CLT TO YYZ, THE OUTER PANE OF THE CAPTAIN'S L1 WINDSHIELD SHATTERED. CREW DECLARED AN EMERGENCY AND DIVERTED TO PIT. FLI
- [SDR SB06020](https://openairdocs.org/sdr/SB06020), Feb 22, 2006: CABLE. MISROUTED. DURING FAA RAMP INSPECTION, FAA FOUND THE R2 DOOR ESCAPE SLIDE DEPLOY CABLE ROUTED INCORRECTLY. MAINTENANCE REROUTED THE R2 DOOR ESCAPE SLIDE CABLE (LATCH ASSEM
- [SDR USAA051389](https://openairdocs.org/sdr/USAA051389), Nov 15, 2005: STIFFENER. CRACKED. AFT END OF LT PACK BAY AT I/B AFT CORNER CRACKED. FABRICATED NEW ANGLE AND INSTALLED IAW SRM 51-10-02 BOEING DWG 65-45402. DEFECT SIZE: 1 INCH CRACK.
- [SDR USAA050060](https://openairdocs.org/sdr/USAA050060), Jan 1, 2005: SKIN. DELAMINATED. PIT - FOUND LOWER SKIN CORE BOND DELAMINATED 6 INCH BY 6 INCH AREA, BOTTOM SIDE 14 INCHES FROM INBOARD END. REMOVED DAMAGE, INSTALLED INTERNAL DOUBLERS AND FILL
- [SDR USAA050024](https://openairdocs.org/sdr/USAA050024), Jan 1, 2005: FLOORBEAM. CORRODED. PIT - FOUND CHORD AND ANGLE CORRODED AT SCREW HOLES, STATION 344 RBBL -13 TO LBBL -24. CORROSION LEVEL 1, TASK NR C53-107-02. REMOVED T-CAP, FABRICATED NEW CHOR
- [SDR USAA050061](https://openairdocs.org/sdr/USAA050061), Jan 1, 2005: SKIN. DELAMINATED. PIT - FOUND LOWER SKIN CORE BOND DELAMINATED 6 INCH BY 4.5 INCH AREA, 34 INCHES FROM F/B EDGE. REMOVED DAMAGE, INSTALLED FILLERS, DOUBLERS PER SRM 51-70-10. (M)
- [SDR USAA041101](https://openairdocs.org/sdr/USAA041101), Dec 14, 2004: STRAP. CORRODED. PIT - Q5 - STRAP, WEB, SKIN, 3 INCH X 4 INCH AREA, CORROSION; LEVEL 1; TASK NR C53-208-01, STA 492.5 BTW, 26R, 27R SKIN SECTION. REMOVED CORROSION, INSTALLED FI
- [SDR USAA041100](https://openairdocs.org/sdr/USAA041100), Dec 8, 2004: SUPPORT. CRACKED. PIT - Q05 - SUPPORT, .075 INCH CRACK, AFT CARGO DOOR UPLOCK SUPPORT. REMOVED AND REPLACED SUPPORT IAW SRM.
- [SDR USAA041067](https://openairdocs.org/sdr/USAA041067), Dec 3, 2004: FRAME. CORRODED. PIT- Q5- FRAME, 1.5 INCH, CORROSION; LEVEL 1; TASK NR C53-208-01, STA 500D, STR 28L FRAME. MANUFACTURED ANGLE IAW MFG DWG 65C22910. (K)
- [SDR USAA041066](https://openairdocs.org/sdr/USAA041066), Dec 3, 2004: MOUNT. CORRODED. PIT-Q5-LAV MOUNTS, 2 INCHES X 2 INCHES (2 EA) CORROSION; LEVEL 1; TASK NR C53-107-02, STA 913, LBL 21 AND LBL 34. DEFECTIVE PART REPLACED WITH IDENT PART NR. (K
- [SDR USAA041065](https://openairdocs.org/sdr/USAA041065), Dec 3, 2004: MOUNT. CORRODED. PIT-Q5-LAV MOUNTS (2), 2 INCHES X 2 INCHES (2 EA), CORROSION; LEVEL 1; TASK NR C53-107-02, STA 994, RBL 21 AND RBL 34. DEFECTIVE PART REPLACED WITH IDENT PART N
- [SDR USAA041071](https://openairdocs.org/sdr/USAA041071), Dec 2, 2004: SKIN. CHAFED. PIT - Q5 - SKIN, 9 INCHES X .5 INCH X .0075 INCH DEEP, CHAFED, RT OF S1 AT STA 867 TO 887. DOUBLER AND TRIPLER REPAIR SCHEME IAW SRM. (K)
- [SDR USAA041069](https://openairdocs.org/sdr/USAA041069), Dec 2, 2004: INTERCOSTAL. CRACKED. PIT- Q5- INTERCOSTAL, 2 INCH CRACK, IN RADIUS- FLOOR INTERCOSTAL, STA 380, BBL 0. REPLACED SUPPORT ANGLE IAW SRM. (K)
- [SDR USAA041068](https://openairdocs.org/sdr/USAA041068), Dec 2, 2004: SKIN. CORRODED. PIT - Q5- SKIN, 1.25 INCH, CORROSION, LEVEL 1; TASK NR C53-208-01, STA 500C + 19 INCH IB OF STR 28L. REMOVED CORROSION IAW SRM. (K)
- [SDR USAA041072](https://openairdocs.org/sdr/USAA041072), Dec 1, 2004: FRAME. CORRODED. PIT - Q5 - FRAME, 3 INCH X 3 INCH AREA, CORROSION; LEVEL 1; TASK NR C53-208-01, STA 492.5 BETWEEN STR 27R AND 28R FRAME. INSTALLED DOUBLERS IAW SRM. (K)
- [SDR USAA041070](https://openairdocs.org/sdr/USAA041070), Dec 1, 2004: FRAME. CORRODED. PIT - Q5 - FRAME, 1.5 INCH X 1 INCH AREA, CORROSION; LEVEL 1; TASK C53-107-02, FRAME AT STA 993.5, RBL 46. REMOVED CORROSION, PRIMED AND PAINTED ISW SRM. (K)
- [SDR USAA041074](https://openairdocs.org/sdr/USAA041074), Nov 24, 2004: FLOORBEAM. CORRODED. PIT - Q5 - BEAM, 10 INCH L X 1 INCH WIDE, CORROSION; LEVEL 1; TASK NR C53-107-01, FLOORBEAM SCREW HOLES, STA 312, LBBL 13 TO RBBL13. 22 INCH REPAIR ANGLE WITH 1
- [SDR USAA041073](https://openairdocs.org/sdr/USAA041073), Nov 22, 2004: SKIN. DELAMINATED. PIT - Q5 - SKIN, 4 INCH X 4 INCH AREA, DELAMINATION, AT IB AFT FLAP BOTTOM. REMOVED BOTTOM SKIN, CORE, INSTALLED BOTTOM REPAIR DOUBLER IAW SRM. (K)
- [SDR USAA040981](https://openairdocs.org/sdr/USAA040981), Nov 21, 2004: STRINGER. CRACKED. PIT - Q5 - STRINGER, .25 INCH LONG CRACK AT STA 887 S-9L. INSTALLED (2) REPAIR ANGLES IAW TR 53-10-20A, 51-30-02, 51-40-09, 51-30-01.
- [SDR USAA040979](https://openairdocs.org/sdr/USAA040979), Nov 18, 2004: SKIN. CRACKED. PIT - Q5 - NR 3 SLAT, 6 INCH X 6 INCH AREA, CRACKED AND DISBONDED AT IB LOWER T/E. REMOVED SKIN AND CORE, REPLACED CORE AND REPAIR PLYS IAW SRM 51-70-10 AND EA 
- [SDR USAA040978](https://openairdocs.org/sdr/USAA040978), Nov 18, 2004: SKIN. BULGED. PIT - Q5 - NR 3 SLAT, 1 INCH X 2 INCH BUBBLE IN SKIN, T/E AT SKIN JOINT 12 INCHES FROM IB END. REMOVED DAMAGE, INSTALLED FILLER AND REPAIR PLYS IAW SRM 51-70-10
- [SDR USAA040977](https://openairdocs.org/sdr/USAA040977), Nov 17, 2004: SKIN. CRACKED. PIT - Q5 - NR 6 SLAT SKIN, .1250 TO 4 INCH CRACKS- NUMEROUS; LOWER SURFACE AFT ROW RIVETS - NUMEROUS AREAS ENTIRE LENGTH. REMOVED DAMAGE, INSTALLED DOUBLER IAW 
- [SDR USAA040980](https://openairdocs.org/sdr/USAA040980), Nov 15, 2004: STRINGER. CRACKED. PIT - Q5 - STRINGER, .75 INCH CRACK, S-5A, BS 1138, INSTALLED DOUBLER IAW T/R 53-80-04 AND 53-00-01, FIG 221.
- [SDR USAA040982](https://openairdocs.org/sdr/USAA040982), Nov 13, 2004: TIE. CRACKED. PIT - Q5 - STRINGER TIE, 1 INCH CRACK AT STA 827, S4L. DEFECTIVE PART REPLACED WITH IDENT PART.
- [SDR USAA040983](https://openairdocs.org/sdr/USAA040983), Nov 10, 2004: STRUCTURE. CRACKED. PIT - Q5 - NR 4 SLAT, SEVERAL .1250 INCH TO .2500 INCH CRACKS, LWR SURFACE, AFT ROW RIVETS AREA OF ACTUATOR. INSTALLED DOUBLER IAW SRM 57-43-01, FIG 206.
- [SDR USAA040843](https://openairdocs.org/sdr/USAA040843), Nov 7, 2004: SKIN. CRACKED. SKIN, .1250 INCH CRACKS, LOWER SURFACE AFT ROW OF RIVET, NR 5 SLAT IB TRACK AREA. INSTALLED DOUBLER IAW SRM 57-43-01, FIG 206.
- [SDR USAA040984](https://openairdocs.org/sdr/USAA040984), Nov 5, 2004: BULKHEAD. CRACKED. PIT - Q5 - WEB, 1 INCH CRACK, AT BS179, WL233.5, RBBL5.7 (178 BULKHEAD) WEB. INSTALLED DOUBLER IAW SRM 53-10-08, FIG 209 DETAIL II.
- [SDR USAA040631](https://openairdocs.org/sdr/USAA040631), Sep 21, 2004: SKIN. CRACKED. CLT - FOUND SKIN CRACKED 2.25 INCH, .5 INCH ABOVE STRINGER 25R SKIN LAP AT STATION 764. INSTALLED DOUBLER/TRIPLER AND FILLER PER SRM 53-00-01 FIG 229. (M)
- [SDR SB04124](https://openairdocs.org/sdr/SB04124), Sep 16, 2004: LIGHT. UNSECURE. PHL - PILOT REPORTED THE EMERGENCY EXIT LIGHTS ON SEAT 10A INOPERATIVE. MAINTENANCE SECURED THE EMERGENCY EXIT LIGHTS ON SEAT 10A. OPERATIONAL CHECK GOOD.
- [SDR USA2004F00051](https://openairdocs.org/sdr/USA2004F00051), May 5, 2004: OUTFLOW VALVE. FAILED. ENROUTE, CREW REPORTED CABIN ALTITUDE WARNING HORN SOUNDED AS THEY ENCOUNTERED A SLOW LOSS OF CABIN PRESSURIZATION. PRESSURE LOSS WAS NOT EXPLOSIVE BUT CREW COU
- [SDR USA2004F00046](https://openairdocs.org/sdr/USA2004F00046), May 5, 2004: CONTROLLER. MALFUNCTIONED. ENROUTE, CREW REPORTED VIA ACARS THEY ENCOUNTERED A SLOW LOSS OF CABIN PRESSURIZATION. PRESSURE LOSS WAS NOT EXPLOSIVE BUT CREW COULD NOT CONTROL PRESSURIZATION
- [SDR USAASB04048](https://openairdocs.org/sdr/USAASB04048), Apr 30, 2004: FAN BLADE. ERODED. IAH - FLT 775 - EN ROUTE FROM PHL-IAH, AT FL310, THE CABIN ALTITUDE CLIMBED VERY SLOWLY TO 9,500 FEET. AT THIS TIME, THE CABIN ALTITUDE WARNING HORN SOUNDED. CR
- [SDR USAASB04018](https://openairdocs.org/sdr/USAASB04018), Feb 14, 2004: DOOR. OUT OF RIG. EN ROUTE AT FL330, A/C LOST PRESS. CREW ACCOMPLISHED RAPID DESCENT OT 10,000 FT. OXY MASKS DEPLOYED DURING DESCENT. STANDBY & MANUAL PRESS MODES USED BUT NOT EF
- [SDR USA2004F00014](https://openairdocs.org/sdr/USA2004F00014), Feb 14, 2004: CABIN PRESSURE. FAILED. ENROUTE, WHILE LEVEL AT FL330, THE AIRCRAFT LOST PRESSURIZATION. CREW ACCOMPLISHED A RAPID DESCENT TO 10,000 FT. OXYGEN MASKS DID DEPLOY DURING DESCENT. STANDBY
- [SDR USAASB03215](https://openairdocs.org/sdr/USAASB03215), Dec 14, 2003: DOOR SEAL. FAILED. DURING CRUISE, EN ROUTE FROM IND-CLT AT FL290, A LOUD BANG WAS HEARD FROM THE FORWARD GALLEY AREA, FOLLOWED BY THE CABIN ALTITUDE CLIMBING UNCONTROLABLLY. CREW 
- [SDR USAASB03131](https://openairdocs.org/sdr/USAASB03131), Aug 7, 2003: WIRE. BROKEN. ORD - MAINTENANCE REPORTED THE EMERGENCY LIGHT ASSEMBLY ON SEAT ROW 10, LEFT SIDE, WAS INOPERATIVE. MAINTENANCE REPAIRED A BROKEN WIRE AT SEAT ROW 10, LEFT SIDE
- [SDR USAASB03118](https://openairdocs.org/sdr/USAASB03118), Jul 20, 2003: FUSE. BLOWN. MAINTENANCE REPORTED THE LEFT OVERWING HATCH EMERGENCY LIGHT INOPERATIVE. MAINTENANCE FOUND A BLOWN FUSE IN POWER SUPPLY M1134 AND A BAD PLUG ON THE EMERGENCY S
- [SDR USAASB03082](https://openairdocs.org/sdr/USAASB03082), Jun 14, 2003: WIRE. FAULTY. MAINTENANCE REPORTED THE EMERGENCY LIGHTING AT SEAT 12 ABC WOULD NOT ILLUMINATE. MAINTENANCE REPAIRED WIRING ON SEAT 12ABC PER STANDARD WIRING PRACTICES MANUAL 
- [SDR USAASB03081](https://openairdocs.org/sdr/USAASB03081), Jun 12, 2003: CONTROL PANEL. FAULTY. CLT - FLT 1254 - MCI TO CLT, AT FL350, CAPTAIN REPORTED A PRESSURIZATION PROBLEM, AS CABIN ALTITUDE INCREASED. CABIN ALTITUDE EXCEEDED 14,000 FT, THE OXYGEN MAS
- [SDR USAASB04004](https://openairdocs.org/sdr/USAASB04004), Jan 3, 2003: SEAL. FAILED. DURING CLIMB-OUT FROM PHL, EN ROUTE TO ORD AT FL270, CRWE HEARD A LOUD BANG AND A BURST OF AIR. NO MASTER CAUTION WARNING OR DOOR WARNING LIGHTS ILLUMINATED. TH

All 88: https://openairdocs.org/deregistered/N518AU-2008-10-10/reports.md

## FAA accident and incident reports (2)

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 20031214033969I](https://openairdocs.org/incident/20031214033969I), Dec 14, 2003: Boeing 7373B7 (N518AU), Indianapolis, IN. (-23) Usair flight 524, B-737, enroute from Indianapolis, IN to charlotte, NC declared an emergency at FL290, 40 miles north-northwest of louisville at 1737Z,…
- [Incident 19940521022959I](https://openairdocs.org/incident/19940521022959I), May 21, 1994: Boeing 7373B7 (N518AU), Syracuse, NY. Multiple electrical problems diverted to Syracuse. Made flyby to verify gear down. Landed and taxied to a gate.

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