# N812US: 1981 Mcdonnell Douglas DC-9-81(MD-81), registration cancelled 2009-02-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 11, 2009
- Status when cancelled: Triennial form not returned
- Airframe: [Mcdonnell Douglas DC-9-81(MD-81)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-81-md-81) (registry code 3022081)
- Engine: [Pratt & Whitney JT8D-15](https://openairdocs.org/engine/pratt-whitney-jt8d-15) (registry code 52051)
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE), [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs)
- Serial number: 48092
- Year built: 1981
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: December 15, 1981
- Certificate issued: May 24, 2002
- Last registry action: January 20, 2009
- Mode S code: AB129D
- Owner when cancelled: [Alameda Corp Trustee](https://openairdocs.org/faa-owner/ALAMEDA%20CORP%20TRUSTEE)
- Location: [San Antonio, TX](https://openairdocs.org/faa-place/TX/San%20Antonio)
- Owner type: Corporation
- Owner's area on the map: 29.5387° N, 98.4913° W: Placed by OpenAirDocs at the center of ZIP code 78216, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N812US
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=812US
- Page: https://openairdocs.org/deregistered/N812US-2009-02-11

From the FAA registry file of November 3, 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 Mcdonnell Douglas DC-9-81(MD-81): https://openairdocs.org/model/mcdonnell-douglas-dc-9-81-md-81.md

## Service difficulty reports (46)

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

- [SDR USAAD02015](https://openairdocs.org/sdr/USAAD02015), Mar 19, 2002: BATTERY. DISCHARGED. IND - THE SEAT MOUNTED LOW LEVEL EMERGENCY LIGHTS WOULD NOT TEST. MAINTENANCE REPLACED THE EMERGENCY LIGHT BATTERIES. (M)
- [SDR 2002F00108](https://openairdocs.org/sdr/2002F00108), Jan 29, 2002: LIGHT. INOPERATIVE. IND - THE CEILING EMERGENCY LIGHTS AT SEAT ROWS 1 THROUGH 3 AND ROWS 27 THROUGH 30, THE SEAT MOUNTED LOW LEVEL EMERGENCY LIGHTS, AND THE TAILCONE EMERGENCY LIGH
- [SDR 2002F00107](https://openairdocs.org/sdr/2002F00107), Jan 29, 2002: BATTERY. DISCHARGED. IND - THE CEILING EMERGENCY LIGHTS AT SEAT ROWS 1 THROUGH 3 AND ROWS 27 THROUGH 30, THE SEAT MOUNTED LOW LEVEL EMERGENCY LIGHTS, AND THE TAILCONE EMERGENCY LIGH
- [SDR 2002F00106](https://openairdocs.org/sdr/2002F00106), Jan 29, 2002: BATTERY. DISCHARGED. IND - THE CEILING EMERGENCY LIGHTS AT SEAT ROWS 1 THROUGH 3 AND ROWS 27 THROUGH 30, THE SEAT MOUNTED LOW LEVEL EMERGENCY LIGHTS, AND THE TAILCONE EMERGENCY LIGH
- [SDR USAAD02003](https://openairdocs.org/sdr/USAAD02003), Jan 29, 2002: BATTERY. DISCHARGED. IND - THE CEILING EMERGENCY LIGHTS AT SEAT ROWS 1 THROUGH 3 AND ROWS 27 THROUGH 30, THE SEAT MOUNTED LOW LEVEL EMERGENCY LIGHTS, AND THE TAILCONE EMERGENCY LIGH
- [SDR USAAD01139](https://openairdocs.org/sdr/USAAD01139), Jul 28, 2001: BATTERY. INOPERATIVE. PIT - THE CEILING MOUNTED EMERGENCY LIGHTS A PASSENGER SEAT ROWS 11-16 WERE INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY LIGHTS BATTERIES. (M)
- [SDR USAA010683](https://openairdocs.org/sdr/USAA010683), Jun 11, 2001: FRAME. CRACKED. PIT - FOUND FRAME CRACKED .5 INCH, STATION 1437 AT L16R. STOP DRILLED CRACK, INSTALLED DOUBLER PER TYPICAL REPAIR 53-01. (M)
- [SDR USAA010803](https://openairdocs.org/sdr/USAA010803), Jun 1, 2001: FRAME. CHAFED. PIT - FOUND FRAME CHAFED .25 INCH, STATION 1497 CANTED AT L17R. CUT OUT DAMAGE AND INSTALLED DOUBLER PER SRM 53-01 FIG 2. (M)
- [SDR USAA010587](https://openairdocs.org/sdr/USAA010587), May 30, 2001: FRAME. CRACKED. PIT - FOUND FRAME CRACKED .5 INCH, STATION 1437 AT L16R. STOP DRILLED CRACK, INSTALLED DOUBLER PER TYP REPAIR 53-01. (M)
- [SDR USAAD01105](https://openairdocs.org/sdr/USAAD01105), May 14, 2001: BATTERY. DISCHARGED. TPA - THE LOW LEVEL EMERGENCY LIGHTING AT SEAT ROW 3 WAS INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY LIGHT BATTERY. (M)
- [SDR USAAD01058](https://openairdocs.org/sdr/USAAD01058), Mar 21, 2001: BATTERY. INOPERATIVE. MCO - THE LOW LEVEL EMERGENCY LIGHTS WERE INOPERATIVE, AND THE LIGHTS AT SEAT ROWS 16, 20, 25 AND 30 WERE IN THE WRONG POSITION. MAINTENANCE REPOSITIONED THE LO
- [SDR USAAD02001](https://openairdocs.org/sdr/USAAD02001), Jan 4, 2001: BATTERY. DISCHARGED. BOS - THE FORWARD ENTRY DOOR PORTABLE EMERGENCY LIGHT WAS INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY LIGHT BATTERY. (M)
- [SDR USAAD00169](https://openairdocs.org/sdr/USAAD00169), Oct 25, 2000: SLEEVE. LOOSE. TPA-PIT - FLT 1264 - AFTER TAKEOFF, THE CABIN WOULD NOT PRESSURIZE IN EITHER AUTO OR MANUAL MODE. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT
- [SDR USAA001523](https://openairdocs.org/sdr/USAA001523), Sep 7, 2000: SKIN. CORRODED. PIT - FOUND SKIN CORRODED 1 INCH IN DIAMETER, 2 SPOTS .014 AND .017 DEEP, STATION 465 STATIC PORT. CORROSION LEVEL 1. INSTALLED INTERNAL AND FLUSH FILLER FROM S
- [SDR USAA001524](https://openairdocs.org/sdr/USAA001524), Sep 3, 2000: FITTING. CRACKED. PIT - FOUND SUPPORT CRACKED 1.25 INCHES, LEFT WING, LEFT INBOARD GROUND SPOILER PANEL SUPPORT FITTING. INSTALLED TEMPORARY REPAIR PER EO 5788M381 REV D REPAIR 3
- [SDR USAAD00117](https://openairdocs.org/sdr/USAAD00117), Jul 27, 2000: SLIDE. FAILED. PHL - THE AFT LEFT SERVICE DOOR WAS INADVERTENTLY OPENED, WITH THE GIRT BAR ATTACHED, BUT THE EMERGENCY ESCAPE SLIDE DID NOT INFLATE. MAINTENANCE INSTALLED THE 
- [SDR USAAD00041](https://openairdocs.org/sdr/USAAD00041), Mar 16, 2000: SENSOR. CONTAMINATED. DFW-PIT - FLT 7883 - THE YELLOW GEAR DOOR OPEN LIGHT CAME ON IN DESCENT. THE LIGHT WENT OUT WHEN RIGHT HYDRAULIC SYSTEM ENGINE SWITCH TURN TO HIGH. MAINTENANCE 
- [SDR USAAD99167](https://openairdocs.org/sdr/USAAD99167), Nov 22, 1999: BATTERY. DISCHARGED. CLT - THE LOW LEVEL EMERGENCY LIGHT INDICATORS WERE FLASHING RED AND GREEN. MAINTENANCE REPLACED THE LOW LEVEL EMERGENCY LIGHT BATTERIES. (M)
- [SDR USAA991176](https://openairdocs.org/sdr/USAA991176), Oct 16, 1999: LONGERON. CRACKED. PIT - DURING Q-5 CHECK, FOUND .125 INCH CRACK AND .5 INCH CRACK, TWO IN LONGERON AT STATION 420 STATION 370 AND STATION 408. CUT OUT DAMAGED SECTION AND SPLICED
- [SDR USAA991175](https://openairdocs.org/sdr/USAA991175), Oct 16, 1999: LONGERON. CRACKED. PIT - DURING Q-5 CHECK, FOUND .5 INCH CRACK AT LONGERON 31 AT STATION 160 ATTACH POINT. CUT OUT DAMAGED SECTION AND SPLICED IN NEW PER SRM 53-02. (M)
- [SDR USAA991174](https://openairdocs.org/sdr/USAA991174), Oct 16, 1999: CUSP. CRACKED. PIT - DURING Q-5 CHECK, FOUND 2 INCH CRACK 3 INCHES FORWARD OF STATION 1297 LEFT SIDE CUSP MEMBRANE AT LONGERON 18L. CUT OUT DAMAGED SECTION AND INSTALLED NEW F
- [SDR USAA991086](https://openairdocs.org/sdr/USAA991086), Oct 14, 1999: LONGERON. CRACKED. PIT - DURING Q5 CHECK, FOUND 1 INCH CRACK IN LONGERON AT STATION 541, LONG 3 RIGHT. INSTALLED NEW SECTION PER SRM 53-02, FIG 18. (M)
- [SDR USAAD99091](https://openairdocs.org/sdr/USAAD99091), Jul 7, 1999: CLAMP. FAILED. PIT-MHT - FLT 2160 - AFTER TAKEOFF, THE LEFT ENGINE FIRE HANDLE AND THE 2 LEFT DETECTOR LOOP LIGHTS ILLUMINATED. THE FIRE BELL ALSO RANG. POWER WAS REDUCED AND 
- [SDR USAAD98073](https://openairdocs.org/sdr/USAAD98073), Apr 27, 1998: DUCT. LOOSE. RDU - FLT 888 - EN ROUTE PBI/PHL, AT FL 330 OVER FL0, CREW REPORTED THEY LOST PRESSURIZATION. OXYGEN MASKS DEPLOYED. FLIGHT DESCENDED IN ALTITUDE, DIVERTED TO R
- [SDR USAAD97231](https://openairdocs.org/sdr/USAAD97231), Dec 8, 1997: BULB. FAILED. PIT - EMERGENCY EXIT LIGHT AT ROW 18 INOPERATIVE. MAINTENANCE REPLACED THE LIGHT BULB. (X)
- [SDR USAAD97211](https://openairdocs.org/sdr/USAAD97211), Nov 20, 1997: STRUT. REQ'D SERVICE. LGA - FL0933 - THE NOSE GEAR RED LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION. CYCLING THE GEAR TWICE DID NOT CORRECT PROBLEM. WITH GEAR LOWERED ALL THREE G
- [SDR USAAD97186](https://openairdocs.org/sdr/USAAD97186), Oct 22, 1997: BATTERY. DISCHARGED. IND - FOUND EMERGENCY FLOOR LIGHTS INOPERATIVE BETWEEN ROWS 4 AND 9. MAINTENANCE REPLACED BATTERY. (M)
- [SDR USAA970077](https://openairdocs.org/sdr/USAA970077), Feb 27, 1997: DOOR FRAME. CORRODED. PIT - DURING C-1 CHECK, FOUND CORROSION BOTTOM FORWARD CARGO DOOR FRAME AT STATION 370 TO STATION 427. INSTALLED NEW SECTION OF DOOR FRAME PER SRM 53-05 FIG 44.
- [SDR USAAD96020A](https://openairdocs.org/sdr/USAAD96020A), Feb 4, 1996: RETRACT MECH. MALFUNCTIONED. DCA - FLT NR 2287 - AFTER TAKEOFF AND ON GEAR RETRACTION, CREW COULD NOT RETRACT THE NOSE GEAR. CREW CYCLED THE GEAR TWICE WITH THE SAME RESULT. FLIGHT RETURNED
- [SDR USAAD96020](https://openairdocs.org/sdr/USAAD96020), Feb 4, 1996: RETRACT MECH. MALFUNCTIONED. DCA - FLT 2287 - AFTER TAKEOFF AND ON GEAR RETRACTION, CREW COULD NOT RETRACT THE NOSE GEAR. CREW CYCLED THE GEAR TWICE WITH THE SAME RESULT. FLIGHT RETURNED TO
- [SDR USAAD96016A](https://openairdocs.org/sdr/USAAD96016A), Feb 1, 1996: STRUT. REQ'D SERVICE. ORD - FLT 904 - AFTER TAKEOFF AND ON GEAR RETRACTION, CREW COULD NOT RETRACT THE NOSE GEAR. THIS IS THE SECOND RETURN TO FIELD OF THIS FLIGHT ON THIS DAY. MAINT
- [SDR USAAD96016](https://openairdocs.org/sdr/USAAD96016), Feb 1, 1996: RETRACT MECH. MALFUNCTIONED. ORD - AFTER TAKEOFF AND ON GEAR RETRACTION, CREW COULD NOT RETRACT THE NOSE GEAR. THIS IS THE SECOND RETURN TO FIELD OF THIS FLIGHT ON THIS DAY. MAINTENANCE ACT
- [SDR USAAD96015A](https://openairdocs.org/sdr/USAAD96015A), Feb 1, 1996: STRUT. REQ'D SERVICE. ORD - FL 904 - AFTER TAKEOFF AND ON GEAR RETRACTION, CREW RECEIVED THREE RED LIGHTS. GEAR WAS CYCLED, CREW RECEIVED GREEN INDICATIONS FOR THE MAINS BUT A RED FO
- [SDR USAAD96015](https://openairdocs.org/sdr/USAAD96015), Feb 1, 1996: RETRACT MECH. MALFUNCTIONED. ORD - AFTER TAKEOFF AND ON GEAR RETRACTION, CREW RECEIVED THREE RED LIGHTS. GEAR WAS CYCLED, CREW RECEIVED GREEN INDICATIONS FOR THE MAINS BUT A RED FOR THE NOS
- [SDR USAAD95003](https://openairdocs.org/sdr/USAAD95003), Oct 19, 1995: WINDSHIELD. CRACKED. PHL - FLT NR 1926 - DURING TAKEOFF, CAPTAINS WINDSHIELD CRACKED AND THEN SHATTERED. THE FLT RETURNED TO PHL AND LANDED WITHOUT FURTHER INCIDENT. REMOVED AND REP
- [SDR USAA950899](https://openairdocs.org/sdr/USAA950899), Aug 11, 1995: EEL BATTERIES. INOP. PIT - THE EMERGENCY LIGHTS WERE FOUND TO BE INOPERTIVE. MAINTENANCE REPLACED THE BATTERIES. OPERATIONS CHECKED GOOD. (M)
- [SDR USAA950934](https://openairdocs.org/sdr/USAA950934), Aug 10, 1995: SKIN. CRACKED. PIT - DURING Q-4 CHECK INSPECTION, FOUND .375 INCH CRACK AT STATION 160 UPPER FORWARD CORNER OF FORWARD AIRSTAIR DOOR. INSTALLED FILLER AND EXTERNAL DOUBLER PER
- [SDR USAA950933](https://openairdocs.org/sdr/USAA950933), Aug 10, 1995: LONGERON. CORRODED. PIT - DURING Q-4 CHECK INSPECTION, FOUND LEVEL 2 CORROSION AT STATION 237 LONGERON 29R. REMOVED CORRODED SECTION AND SPLICED IN NEW SECTION OF LONGERON PER SRM 
- [SDR USAA950916](https://openairdocs.org/sdr/USAA950916), Aug 10, 1995: FLOOR BEAM. CORRODED. PIT - DURING Q-4 CHECK INSPECTION, FOUND LEVEL 2 CORROSION STATION 1338 FLOOR BEAM NR 18, 24 INCHES FROM RIGHT SIDE WALL AT SCREW HOLES. CORROSION TASK NR C58-5
- [SDR USAA950935](https://openairdocs.org/sdr/USAA950935), Aug 8, 1995: ANGLE. CRACKED. PIT - DURING Q-4 CHECK INSPECTION, FOUND 1 INCH CRACK LEFT DRAG ANGLE STATION 1474 (CANTED FRAME). STOP DRILLED CRACK AND INSTALLED SKIN AND DOUBLER REPAIR PER 
- [SDR USAA950932](https://openairdocs.org/sdr/USAA950932), Aug 8, 1995: STRINGER. CRACKED. PIT - DURING Q-4 CHECK INSPECTION, FOUND 1.25 INCH CRACK IN STRINGER OF FWD INBOARD LEADING EDGE IN RADIUS JUST FWD OF LEFT MLG ATTACH FITTING. STOP DRILLED CRA
- [SDR USAA950931](https://openairdocs.org/sdr/USAA950931), Aug 8, 1995: SKIN. CRACKED. PIT - DURING Q-4 CHECK INSPECTION, FOUND .5 INCH CRACK IN LOWER FORWARD CORNER OF WINDOW DOUBLER AFT OF STATION 846 LEFT SIDE. STOP DRILLED CRACK AND REPAIRED P
- [SDR USAA950930](https://openairdocs.org/sdr/USAA950930), Aug 8, 1995: FRAME. CRACKED. PIT - DURING Q-4 CHECK INSPECTION, FOUND .75 INCH CRACK FORWARD UPPER CORNER OF WINDOW FRAME AT STATION 886 LONG 12R. STOP DRILLED CRACK AND REPAIRED PER USAIR 
- [SDR USAA950915](https://openairdocs.org/sdr/USAA950915), Aug 8, 1995: BEAM. CORRODED. PIT - DURING Q-4 CHECK INSPECTION, FOUND LEVEL 2 CORROSION AROUND SEVERAL SCREW HOLES RIGHT LAV FLOOR REAR STATION 1322. CORROSION TASK NR C58-53300. REMOVED CO
- [SDR USAA950918](https://openairdocs.org/sdr/USAA950918), Aug 7, 1995: SEAT TRACK. CORRODED. PIT - DURING Q-4 CHECK INSPECTION, FOUND LEFT INBOARD SEAT TRACK LEVEL 1 CORROSION 80 INCHES LONG, STATION 1220 TO STATION 1309. CORROSION TASK NR C58-53302 PRE
- [SDR USAA950917](https://openairdocs.org/sdr/USAA950917), Aug 7, 1995: BLKHD ANGLE. CORRODED. PIT - DURING Q-4 CHECK INSPECTION, FOUND LOWER AFT ANGLE AT PRESSURE BULKHEAD CORROSION APPROXIMATELY 6 INCHES BY 36 INCHES LOWER AFT FACE FROM LONGERON 25L-25R

## FAA accident and incident reports (3)

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 19980117003089I](https://openairdocs.org/incident/19980117003089I), Jan 17, 1998: Doug DC981 (N812US), New York, NY, Minor damage. Narrative: during the landing the aircraft hit the runway striking the tail. There was an error in the weight calculation which amounted to 14,000 lbs. Less…
- [Incident 19940709030139I](https://openairdocs.org/incident/19940709030139I), Jul 9, 1994: Doug DC981 (N812US), Hickory, NC. Notified of possible turbulence. Turned seat belt sign on. Severe drop in altitude. Minor injury to 4 crew and 1 pass
- [Incident 19900111003949I](https://openairdocs.org/incident/19900111003949I), Jan 11, 1990: Doug DC981 (N812US), Rochester, NY. Right tire blew on landing. Taxied to gate. Replaced tires and down lock sensor cable.

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