# N651GT: 1983 Boeing 767-231SF

- Status: Valid registration
- Airframe: [Boeing 767-231SF](https://openairdocs.org/model/boeing-767-231sf) (registry code 138513B, 4 seats)
- Engine: [Pratt & Whitney JT9D series](https://openairdocs.org/engine/pratt-whitney-jt9d-series) (registry code 52054)
- Serial number: 22570
- Year built: 1983
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: July 20, 1983
- Certificate issued: January 5, 2021
- Expires: January 31, 2028
- Mode S code: A89119
- Registered owner: [Umb Bank Na Trustee](https://openairdocs.org/faa-owner/UMB%20BANK%20NA%20TRUSTEE)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.6171° N, 111.6866° W: Placed by OpenAirDocs at the center of ZIP code 84121, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=651GT
- Page: https://openairdocs.org/aircraft/N651GT

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Pratt & Whitney JT9D model are included.

## ADs that may apply (OpenAirDocs): 56 in force

### Matched by airframe (Boeing 767-231SF)

None in force.

### Matched by engine (Pratt & Whitney JT9D series)

- [AD 2021-09-10](https://openairdocs.org/ad/2021-09-10): Turbine Engine Compressor Section · Pratt & Whitney JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective May 27, 2021
- [AD 2012-06-14](https://openairdocs.org/ad/2012-06-14): HPT 1st stage air seals · Pratt & Whitney Division JT9D-7R4G2 and JT9D-7R4H1. Effective Apr 27, 2012
- [AD 2011-25-10](https://openairdocs.org/ad/2011-25-10): High-pressure compressor (HPC) shafts · Pratt & Whitney Division JT9D-7R4H1. Effective Jan 17, 2012
- [AD 2009-10-01](https://openairdocs.org/ad/2009-10-01): High-pressure turbine (HPT) vane assemblies · Pratt & Whitney Division JT9D-7R4E1, JT9D-7R4E4, JT9D-7R4G2 and 1 more. Effective May 18, 2009
- [AD 2009-04-18](https://openairdocs.org/ad/2009-04-18): 2nd stage high pressure turbine (HPT) · Pratt & Whitney Division JT9D-7, JT9D-7A, JT9D-7AH and 3 more. Effective May 5, 2009
- [AD 2007-18-06](https://openairdocs.org/ad/2007-18-06): Inspection of the blade root thickness · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Oct 5, 2007
- [AD 2005-05-13](https://openairdocs.org/ad/2005-05-13): High pressure turbine (HPT) second stage airseals · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 1 more. Effective Apr 14, 2005
- [AD 2004-10-01](https://openairdocs.org/ad/2004-10-01): 6th Stage Low Pressure Turbine (LPT) Air Seals · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 6 more. Effective Jun 15, 2004
- [AD 2004-01-08](https://openairdocs.org/ad/2004-01-08): One-piece fan case shield · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Feb 10, 2004
- [AD 2003-24-12 R1](https://openairdocs.org/ad/2003-24-12-R1): Gearbox Pressure Tube · Pratt & Whitney Division JT9D-3A, JT9D-7, JT9D-7A and 4 more. Effective Dec 18, 2003
- [AD 2002-07-04](https://openairdocs.org/ad/2002-07-04): Low Pressure Turbine (LPT) 5th Stage Disks · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective May 14, 2002
- [AD 2001-17-30](https://openairdocs.org/ad/2001-17-30): High Pressure Turbine 1st Stage Disk Aft Lugs · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Oct 4, 2001
- [AD 2001-04-11](https://openairdocs.org/ad/2001-04-11): High Pressure Turbine (HPT) Disks · Pratt & Whitney Division JT9D-20, JT9D-7, JT9D-7A and 7 more. Effective May 7, 2001
- [AD 2000-23-14](https://openairdocs.org/ad/2000-23-14): No. 4 Bearing Area · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 11 more. Effective Jan 19, 2001
- [AD 98-21-22 R1](https://openairdocs.org/ad/98-21-22-R1): High Pressure Compressor Disks · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 8 more. Effective Jan 18, 2000
- [AD 99-20-04](https://openairdocs.org/ad/99-20-04): High Pressure Turbine Disks · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Oct 29, 1999
- [AD 99-14-08](https://openairdocs.org/ad/99-14-08): Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 1 more. Effective Sep 13, 1999
- [AD 99-15-02](https://openairdocs.org/ad/99-15-02): Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 6 more. Effective Aug 16, 1999
- [AD 99-11-09](https://openairdocs.org/ad/99-11-09): Diffuser Case Rear Rail · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 1 more. Effective Jul 26, 1999
- [AD 99-04-05](https://openairdocs.org/ad/99-04-05): Rear Skirt Ddiffuser Case Inspection · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 1 more. Effective Apr 12, 1999
- [AD 97-25-10 R1](https://openairdocs.org/ad/97-25-10-R1): (HPT) Disks · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 5 more. Effective Jul 29, 1998
- [AD 96-25-10](https://openairdocs.org/ad/96-25-10): Design Turbine Exhaust Case · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective Feb 18, 1997
- [AD 96-17-11](https://openairdocs.org/ad/96-17-11): Low pressure turbine (LPT) vane · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Nov 18, 1996
- [AD 93-19-02 R1](https://openairdocs.org/ad/93-19-02-R1): Diffuser Cases · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 6 more. Effective Oct 17, 1994
- [AD 94-15-16](https://openairdocs.org/ad/94-15-16): Engine Control System Accessories · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 9 more. Effective Oct 14, 1994
- [AD 94-08-06](https://openairdocs.org/ad/94-08-06): Fan Blade · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Jul 5, 1994
- [AD 93-15-04](https://openairdocs.org/ad/93-15-04): Fuel Nozzle And Support Assembly · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 1 more. Effective Nov 19, 1993
- [AD 93-14-20](https://openairdocs.org/ad/93-14-20): Vane Cluster Assembly · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 1 more. Effective Aug 27, 1993
- [AD 91-03-03](https://openairdocs.org/ad/91-03-03): High Pressure Compressor Turbine Driveshaft · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Feb 22, 1991
- [AD 90-23-19](https://openairdocs.org/ad/90-23-19): Air Seal · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 13 more. Effective Nov 23, 1990
- [AD 90-15-11](https://openairdocs.org/ad/90-15-11): Fuel Control Unit · Pratt & Whitney Division JT9D-7R4D1, JT9D-7R4E1 and JT9D-7R4H1. Effective Jul 16, 1990
- [AD 90-14-08](https://openairdocs.org/ad/90-14-08): High Pressure Compressor · Pratt & Whitney Division JT9D-7R4D and JT9D-7R4E. Effective Jul 2, 1990
- [AD 87-23-05 R1](https://openairdocs.org/ad/87-23-05-R1): Fan Case Assembly · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Mar 23, 1990
- [AD 89-10-07](https://openairdocs.org/ad/89-10-07): Strut Insert Assembly · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-7 and 5 more. Effective May 30, 1989
- [AD 88-24-05](https://openairdocs.org/ad/88-24-05): Inner Airseal · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-7 and 5 more. Effective Dec 15, 1988
- [AD 86-09-01 R1](https://openairdocs.org/ad/86-09-01-R1): Turbine Vane Antirotation Pin Failure · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-59A and 9 more. Effective Jul 6, 1988
- [AD 86-25-51](https://openairdocs.org/ad/86-25-51): Low Altitude Surges · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 3 more. Effective Mar 20, 1987
- [AD 86-23-03](https://openairdocs.org/ad/86-23-03): Second Stage High Pressure Turbine Rotor (HPTR) Airseal · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 1 more. Effective Dec 8, 1986
- [AD 86-10-01](https://openairdocs.org/ad/86-10-01): Second Stage Turbine Disk · Pratt & Whitney Division JT9D-3A. Effective Jun 5, 1986
- [AD 86-07-12](https://openairdocs.org/ad/86-07-12): Engine Support Clevis · Pratt & Whitney Division JT9D-7R4G2. Effective Apr 11, 1986
- [AD 86-03-03](https://openairdocs.org/ad/86-03-03): Fuel Nozzle Flow And Spray Cone Angle · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4E and JT9D-7R4E4. Effective Mar 14, 1986
- [AD 85-12-02](https://openairdocs.org/ad/85-12-02): Centrifugal Oil Filter (COF) Bearings · Pratt & Whitney Division JT9D-3A, JT9D-7, JT9D-7A and 4 more. Effective Jul 17, 1985
- [AD 83-22-52 R1](https://openairdocs.org/ad/83-22-52-R1): Refurbishing Fuel Nozzles · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Feb 21, 1984
- [AD 82-26-03](https://openairdocs.org/ad/82-26-03): Manifold Assembly · Pratt & Whitney Division JT9D-7, JT9D-7A, JT9D-7AH and 3 more. Effective Jan 27, 1983
- [AD 82-16-10](https://openairdocs.org/ad/82-16-10): Fan Exit Case Assembly · Pratt & Whitney Division JT9D-20. Effective Aug 16, 1982
- [AD 74-10-05 R1](https://openairdocs.org/ad/74-10-05-R1): Turbine Nozzle Guide Vane · Pratt & Whitney Division JT9D-20, JT9D-7 and JT9D-7A. Effective Nov 17, 1980
- [AD 78-08-13](https://openairdocs.org/ad/78-08-13): Main Gearbox · Pratt & Whitney Division JT9D-3A, JT9D-7, JT9D-7A and 4 more. Effective Apr 18, 1980
- [AD 78-16-05](https://openairdocs.org/ad/78-16-05): Sixth Stage Turbine Disks · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective Sep 12, 1978
- [AD 78-17-08](https://openairdocs.org/ad/78-17-08): Fifteenth Stage Compressor Disks · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-7 and 5 more. Effective Sep 1, 1978
- [AD 76-20-03](https://openairdocs.org/ad/76-20-03): Seal Clearances · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-7 and 4 more. Effective Nov 16, 1977

### Historical (superseded or no longer in force)

- [AD 2012-04-15](https://openairdocs.org/ad/2012-04-15) (historical): Engine · Pratt & Whitney Division JT9D-20J, JT9D-3A, JT9D-59A and 16 more. Effective Apr 23, 2012
- [AD 2007-17-21](https://openairdocs.org/ad/2007-17-21) (historical): High pressure turbine (HPT) vane assemblies · Pratt & Whitney Division JT9D-7R4E1, JT9D-7R4E4, JT9D-7R4G2 and 1 more. Effective Sep 28, 2007
- [AD 2007-05-17](https://openairdocs.org/ad/2007-05-17) (historical): Airworthiness Limitations Section (ALS) · Pratt & Whitney Division JT9D-20J, JT9D-3A, JT9D-7 and 15 more. Effective Apr 12, 2007
- [AD 2005-26-09](https://openairdocs.org/ad/2005-26-09) (historical): 1st stage fan blades. · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Jan 11, 2006
- [AD 2003-24-12](https://openairdocs.org/ad/2003-24-12) (historical): Gearbox pressure tube · Pratt & Whitney Division JT9D-3A, JT9D-7, JT9D-7A and 4 more. Effective Dec 18, 2003
- [AD 2002-10-07](https://openairdocs.org/ad/2002-10-07) (historical): High Pressure Turbine (HPT) Second Stage Airseals · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 1 more. Effective Jun 27, 2002
- [AD 2002-08-11](https://openairdocs.org/ad/2002-08-11) (historical): Airworthiness Limitations Section (ALS) - Critical Life-Limited Parts · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective May 28, 2002
- [AD 2000-01-13](https://openairdocs.org/ad/2000-01-13) (historical): Pratt & Whitney Division JT9D-7, JT9D-70A, JT9D-7A and 13 more. Effective Feb 23, 2000
- [AD 99-08-12](https://openairdocs.org/ad/99-08-12) (historical): Maintenance Program, Mandatory Inspections · Pratt & Whitney Division JT9D-20J, JT9D-3A, JT9D-59A and 16 more. Effective May 13, 1999

All 65: https://openairdocs.org/aircraft/N651GT/ads.md

## Information bulletins (advisory) (7 in force)

- [SAIB NE-07-41](https://openairdocs.org/saib/NE-07-41): Pratt & Whitney (P&W) JT9D HPT 2nd Stage Vane/Disk Failures. Issued Aug 3, 2007
- [SAIB NE-04-51](https://openairdocs.org/saib/NE-04-51): . Issued Feb 12, 2004
- [SAIB NE-04-44](https://openairdocs.org/saib/NE-04-44): . Issued Jan 14, 2004
- [SAIB NE-02-30](https://openairdocs.org/saib/NE-02-30): . Issued Jun 3, 2002
- [SAIB NE-02-21](https://openairdocs.org/saib/NE-02-21): . Issued Mar 15, 2002
- [SAIB NE-02-01](https://openairdocs.org/saib/NE-02-01): . Issued Oct 5, 2001
- [SAIB ANE-97-03](https://openairdocs.org/saib/ANE-97-03): . Issued Apr 25, 1997

## NTSB investigations

None matched to N651GT.

## FAA accident and incident reports

None matched to N651GT.

## Service difficulty reports (129, newest 50)

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

- [SDR ABXA20260731345](https://openairdocs.org/sdr/ABXA20260731345), Jul 31, 2026: APU. SHUTDOWN. APU SHUT DOWN ON PUSHBACK AC RETURNED TO GATE (BTB) AND MTX C/W APU TEST IAW AMM 49-11-00. OPS CHECK GOOD, START APU NO FAULTS NOTED A/C REMAINS NO ETOPS.AND RE
- [SDR ABXA20260731341](https://openairdocs.org/sdr/ABXA20260731341), Jul 31, 2026: DAMPENER. FAULTED. DURING ENGINE START AND PUSHBACK, R YAW DAMPER. NON CREW DEFERRABLE. A/C RETURNED TO BLOCKS (BTB). MTC DEFERRED RH YAW DAMPER IAW ABX-MEL-22-21-1 A/C REMAINS CA
- [SDR ABXA20260618267](https://openairdocs.org/sdr/ABXA20260618267), Jun 18, 2026: ENGINE. HOT START. DURING TAXI, RT ENGINE HOT START-563 DEGREES FOR 6 SECONDS. RETURNED TO THE GATE (BTB). PER ABX AMM 71-00-00 & FIM 71-08 FAULT TREE 816 . MOTORED RT ENG FOR 30 
- [SDR ABXA20260617265](https://openairdocs.org/sdr/ABXA20260617265), Jun 17, 2026: INDICATION SYS. ILLUMINATED. DURING TAXI, FWD CARGO DOOR EICAS CARGO DOORS DISCRETE ILLUMINATED. RETURNED TO THE GATE (BTB). MTC DEFERRED FWD CARGO DOOR INDICATION SYSTEM PER MEL 52-71-1-1.
- [SDR ABXA20260612257](https://openairdocs.org/sdr/ABXA20260612257), Jun 12, 2026: DETECTION SYS. NO TEST. DURING MTC/INSP, WHEEL WELL AFOLTS TEST INOP. PUT STBY POWER SWITCH IN AUTO. WHEEL WELL FIRE DETECTION SYSTEM CHECKS GOOD PER AMM 26-17-00. ACFT RETURNED TO SER
- [SDR ABXA20260429181](https://openairdocs.org/sdr/ABXA20260429181), Apr 29, 2026: ENGINE. VIBRATION. VERY HEAVY VIBRATION FROM LEFT ENGINE DURING ENGINE START UP & TAXI. DID ENGINE RUN UP & IT GOT WORSE. NO BAD ENGINE INDICATIONS ON EICAS. A/C RETURNED TO BLOCK
- [SDR ABXA20260413162](https://openairdocs.org/sdr/ABXA20260413162), Apr 13, 2026: BLEED VALVE. FAULTED. DURING TAXI AFTER ENG START "RIGHT BLEED OFF" LIGHT ILLUMINATED W/ "R BLEED OFF" EICAS MESSAGE. A/C RETURNED TO THE GATE (BTB) AND MTX GROUNDED A/C. FOUND RT HP
- [SDR ABXA20260320120](https://openairdocs.org/sdr/ABXA20260320120), Mar 20, 2026: BLEED VALVE. FAULTED. DURING TAKE-OFF, RECEIVED R ENG BLEED VALVE CAUTION MESSAGE DURING FIRST 60 KTS OF T/O ROLL. AIRCRAFT ABORTED TAKE-OFF (ATO). MAINTENANCE DEFERRED RT ENG HPSOV 
- [SDR ABXA20260312112](https://openairdocs.org/sdr/ABXA20260312112), Mar 12, 2026: BLEED VALVE. WARNING MESSAGE. R ENGINE BLEED VALVE CAUTION MSG ON THE CLIMB THROUGH 8000 FT .WE RAN THE QRH AND CONTINUED CRUISING AT FL380 SINCE THERE WAS NO LIMITING FACTOR TO THE FLIGHT. 
- [SDR ABXA202603109091](https://openairdocs.org/sdr/ABXA202603109091), Mar 9, 2026: SMOKE DETECTOR. INOPERATIVE. STATUS MSG AFT CARGO DET 2, WHILE PERFORMING MAINTENANCE, MTX REMOVED AND REPLACED SMOKE DETECTOR M327 'AFT DET 2 . IAW AMM 26-16-01. OPS CHECK GOOD . MSG.CLEAR
- [SDR ABXA20260305086](https://openairdocs.org/sdr/ABXA20260305086), Mar 5, 2026: SMOKE DETECTOR. NO TEST. DURING PREFLIGHT CHECK, FOUND MAIN CARGO LOOP A2 INOP. MAINTENANCE DEFERRED ITEM MBCB 03-15-26 IAW MEL 26-16-2-1. REMOVED AND REPLACED SMOKE DETECTOR 2A IAW B76
- [SDR ABXA20260218069](https://openairdocs.org/sdr/ABXA20260218069), Feb 18, 2026: WARNING MESSAGE. FALSE ACTIVATION. DURING TAXI OUT, AND AFTER ENGINE START, ENG EEC PROBE AND MACH PROBE LIGHT AFTER START STILL ILLUMINATED. AIRCRAFT RETURNED TO BLOCKS (BTB). MAINTENANCE T/S IA
- [SDR ABXA20260120020](https://openairdocs.org/sdr/ABXA20260120020), Jan 20, 2026: WARNING MESSAGE. ILLUMINATED. ON TAXI OUT, STAB TRIM EICAS MSG ILLUMINATED. AIRCRAFT RETURNED TO BLOCKS (BTB). MAINTENANCE DEFERRED SYSTEM IAW ABX-27-41-2. AIRCRAFT RETURNED TO SERVICE.
- [SDR ABXA20260103002](https://openairdocs.org/sdr/ABXA20260103002), Jan 3, 2026: THRUST REVERSER. FAULTED. DURING TAXI OUT PILOT VERBAL RH T/R REV. ISLN VALVE EICAS MEASAGE .APPEARED.A/C RETURNED TO GATE (BTB) AND MTX GROUNDED A/C . MTX DEFERRED RH T/R FOR DEARTURE I
- [SDR ABXA20251229362](https://openairdocs.org/sdr/ABXA20251229362), Dec 29, 2025: WARNING MESSAGE. ILLUMINATED. DURING TAXI OUT, R DUCT LEAK LP 1 STATUS MSG. A/C RETURNED TO THE GATE (BTB) AND MTX GROUNDED A/C. MTX THEN DEFERRED LP 1 DUCT LEAK DETECTION IAW MEL 26-18-1-1-
- [SDR ABXA202512264353](https://openairdocs.org/sdr/ABXA202512264353), Dec 24, 2025: WARNING MESSAGE. ILLUMINATED. RIGHT BLEED AIR VALVE MESSAGE CAME ON TAKE-OFF ROLL, ABORTED AT 40 KNOTS. (ATO) TAXIED BACK TO GATE. (BTB) DEFERRED R ENG HPSOV PER MEL 36-11-2-1, MX PROCEDURES
- [SDR ABXA20251223351](https://openairdocs.org/sdr/ABXA20251223351), Dec 23, 2025: FIRE WARNING. FALSE ACTIVATION. AFT CARGO FIRE INDICATION AFTER ENGINE SHUT OFF IN BLOCK, RAN QRH CHECKLIST AND DISCHARGED FIRE BOTTLE. CALLED TOWER AS EMERGENCY AIRCRAFT AND ASKED FOR FIRE TR
- [SDR ABXA20251213338](https://openairdocs.org/sdr/ABXA20251213338), Dec 13, 2025: CIRCUIT BREAKER. NO DISCREPANCY. A/C TAXIED OUT WITH OPEN L/B WRITE UP. MAINTENCE PREVIOUSLY PULLED CVR C/B P11/H34 TO FOM. AIRCRAFT RETURNED TO BLOCKS (BTB). MAINTENANCE RESET P11 H34 CIRCUIT 
- [SDR ABXA202512053316](https://openairdocs.org/sdr/ABXA202512053316), Dec 3, 2025: SENSOR. MALFUNCTIONED. WHILE FLYING FLIGHT ABX520 FROM HOUSTON TO SAN ANTONIO, GOT A LE SLAT DISAGREE CAUTION MSG ON DEPARTURE FROM KIAH. ACCOMLISHED QRH AND GOT LIGHT AND MSG TO EXTI
- [SDR ABXA202512051314](https://openairdocs.org/sdr/ABXA202512051314), Dec 1, 2025: WARNING MESSAGE. ILLUMINATED. DURING MAINTENANCE INSPECTION, RT ENG FIRE LOOP 2 STATUS MESSAGE ILLUMINATED. ITEM PLACED ON MEL ABX 26-11-1-1. PLACARD INSTALLED MBCM DATE 12/11/2025. AIRCRAFT
- [SDR ABXA20251116302](https://openairdocs.org/sdr/ABXA20251116302), Nov 16, 2025: WARNING MESSAGE. FALSE ACTIVATION. ON PUSHBACK, ENG EEC PROBE LIGHT REMAINED ILLUMINATED. AIRCRAFT RETURNED TO BLOCKS. (BTB). ACCOMPLISHED SYS OPS CK IAW AMM 30-34-00, ALL CKS NORMAL. VERIFIED WI
- [SDR ABXA20251113298](https://openairdocs.org/sdr/ABXA20251113298), Nov 13, 2025: ENGINE. HOT START. RT ENG ABORTED ENG START DURING TAXI OUT,BECAUSE OF HOT START. EXCEEDED LIMITS FOR 1 SEC. UP TO 539 DEGREES.A/C RETURNED TO GATE (BTB) AND MTX GROUNDED A/C. MTX
- [SDR ABXA202511143298](https://openairdocs.org/sdr/ABXA202511143298), Nov 13, 2025: EGT INDICATION. ILLUMINATED. RIGHT ENG ABORTED ENG START DURING TAXI OUT,BECAUSE OF HOT START. EXCEEDED LIMITS FOR 1 SEC. UP TO 539 DEGREES.A/C RETURNED TO GATE (BTB) AND MTX GROUNDED A/C. 
- [SDR ABXA20251031284](https://openairdocs.org/sdr/ABXA20251031284), Oct 31, 2025: WINDOW. CRACKED. DURING CRUISE, NOTICED R1 WINDOW ELECTRICAL ARC FOLLOWED BY R FWD WINDOW CAUTION MSG FOLLOWED BY SPIDER WEB CRACKING IN R1 WINDOW. EMERGENCY DECLARED. AIR TURN 
- [SDR ABXA20251027281](https://openairdocs.org/sdr/ABXA20251027281), Oct 27, 2025: SLAT SYSTEM. FAULTED. LE SLAT DISAGREE EICAS DISPLAYED AFTER TAKEOFF. OUT OF PHX ACCOMPLISHED QRH, AND CLEARED MSG, CONTIUNED TO LAX AND LANDED WITH FLAPS 20. AND DECLARED EMERGENCY 
- [SDR ABXA20251024280](https://openairdocs.org/sdr/ABXA20251024280), Oct 24, 2025: BLOWOUT PANEL. MISSING. RIGHT BLOWOUT PANEL 611KB WAS MISSING UPON AIRCRAFT ARRIVAL INTO LAX. RT BLEED DUCT LEAK CAUTION MESSAGE IN CLIMB OUT AND DUCT LEAK DESCRETE LIGHT . INSPECTED A
- [SDR ABXA20251010266](https://openairdocs.org/sdr/ABXA20251010266), Oct 10, 2025: CIRCUIT BREAKER. TRIPPED. DURING TAXI OUT ANTI-STALL CIRCUIT BREAKER POPPED WHEN RIGHT ENGINE START SELECTOR WAS PUT IN GND . ACFT RETURNED TO THE GATE (BTB). AND MTX GROUNDED AC . MTX D
- [SDR ABXA2025122313](https://openairdocs.org/sdr/ABXA2025122313), Oct 2, 2025: ESCAPE REEL. UNWANTED DEPLOY. ON LANDING, EMERGENCY ESCAPE IN SUPERNUMERARY SELF DEPLOYED ON LANDING. MAINTENANCE REMOVED AND REPLACED 4 EACH DECENT DEVICES IN SUPERNUMERARY IAW B767 AMM 25-
- [SDR ABXA202509176229](https://openairdocs.org/sdr/ABXA202509176229), Sep 16, 2025: UNKNOWN. VIBRATION. AFTER ENGINE START, UNUSUAL AIRFRAME VIBRATION. AIRCRAFT RETURNED TO BLOCKS. (BTB). PERFORMED FLT CONTROL CHECK IAW AMM 27-00-00, NO DEFECTS FOUND. ADDED MORE F
- [SDR ABXA20250901209](https://openairdocs.org/sdr/ABXA20250901209), Sep 1, 2025: LIFE VEST. EXPIRED. DURING SERVICE CHECK FOUND PILOT SEAT LIFE VEST DUE INSP WITHIN 30 DAYS REMOVED OLD LIFE VEST REPLACED WITH SERVICABLE UNIT IAW B767 AMM 25-62-00 RETURNED TO SE
- [SDR ABXA20250823196](https://openairdocs.org/sdr/ABXA20250823196), Aug 23, 2025: ESCAPE REEL. DETACHED. (4) INERTIAL ESCAPE REELS DROPPED AFTER LANDING. DEFERRED IAW MEL C ABX-25-61-1-1. REMOVED AND REPLACED 4 DESCENT DEVICES IAW AMM 25-61-03. PLACARDS REMOVED. TH
- [SDR ABXA20250819178](https://openairdocs.org/sdr/ABXA20250819178), Aug 19, 2025: A/C PACK. INOPERATIVE. DURING TAXI, AT THE "AFTER START" THE LEFT PACK OFF REMAINED ILLUNMINATED. ACCOMPLISH QRH 2-31. AIRCRAFT RETURNED TO BLOCKS (BTB). MAINTENANCE DEFERRED LT PACK 
- [SDR ABXA2025080800174](https://openairdocs.org/sdr/ABXA2025080800174), Aug 8, 2025: ESCAPE REEL. DETACHED. DURING PRE-FLIGHT INSPECTION, INERTIAL ESCAPE REELS #4 AND #6 FELL OUT OF THE HOUSING. DEFERRED IAW MEL C ABX-25-61-1-1. INSTALLED INERTIAL ESCAPE REELS DESCENT
- [SDR ABXA20250704141](https://openairdocs.org/sdr/ABXA20250704141), Jul 4, 2025: ENGINE. WARNING LIGHT. ON #2 ENG START WHILE TAXING EGT EXCEEDANCE TO 562 AC RETURNED TO GATE (BTB) AND MTX GROUNDED AC. MTX PERFORMED #2 ENG. START ,EGT FOUND TO BE IN LIMITS. IAW FI
- [SDR ABXA20250628138](https://openairdocs.org/sdr/ABXA20250628138), Jun 28, 2025: SKIN. CORRODED. "DURING THE ACCOMPLISHMENT OF APU REPLACEMENT AT CVG/FEAM, CORROSION WAS DISCOVERED IN THE APU COMPARTMENT. ONE OF THE AFFECTED COMPONENTS IS SKIN PANEL PIN I 4
- [SDR ABXA20250508091](https://openairdocs.org/sdr/ABXA20250508091), May 8, 2025: ENGINE. HOT START. DURING TAXI, HOT START #2 ENG WITH EGT EXCEEDANCE AT 543 C. A/C RETURNED TO BLOCKS. (BTB). MAINTENANCE MOTORED #2 ENGINE AND LET IT COOL PER AMM 71-00-00 AND FI
- [SDR ABXA20250412076](https://openairdocs.org/sdr/ABXA20250412076), Apr 12, 2025: A/C PACK. WARNING MESSAGE. DURING TAXI OUT, L PACK EICAS MESSAGE DISPLAYED AFTER ENGINE START. A/C RETURNED TO BLOCKS (BTB). MAINTENANCE DEFERRED L PACK IAW MEL ABX-21-51-1-1. A/C RETURNE
- [SDR ABXA20250319060](https://openairdocs.org/sdr/ABXA20250319060), Mar 19, 2025: A/C PACK. INOPERATIVE. DURING TAXI OUT LT PACK INOP MSG CAME ON, A/C RETURNED TO GATE (BTB) AND MTX GROUNDED A/C. MTX DEFERRED LH PACK FOR DEPARTURE IAW MEL ABX-21-51-1-1. AND RETURNE
- [SDR ABXA20250304052](https://openairdocs.org/sdr/ABXA20250304052), Mar 4, 2025: CONTROLLER. MALFUNCTIONED. DURING TAXI, FWD CABIN TEMP AND AFT CABIN TEMP EICAS OCCURED. MAINTENANCE GROUNDED A/C. TROUBLESHOT AND REMOVED AND REPLACED ZONE TEMP CONTROLLER REF B767 AMM 2
- [SDR ABXA20250304051](https://openairdocs.org/sdr/ABXA20250304051), Mar 4, 2025: WARNING MESSAGE. ILLUMINATED. DURING TAXI, R GEN DR EICAS MESSAGE APPEARED AFTER START, R GEN OFF EICAS MESSAGE AFTER START. AICRAFT RETURNED TO GATE. (BTB) DEFERRED RH GEN IAW MEL ABX-24-00
- [SDR ABX2025F00000](https://openairdocs.org/sdr/ABX2025F00000), Feb 13, 2025: SKIN. CRACKED. DURING C CHECK AIRBORNE MAINTENANCE REPORTED AN EXISTING FLUSH SKIN REPAIR INSTALLED AT STA 440-460 BETWEEN STRINGERS 33R AND 35R. THE REPAIR WAS ACCOMPLISHED B
- [SDR ABXA20241212254](https://openairdocs.org/sdr/ABXA20241212254), Dec 12, 2024: PROBE. MALFUNCTIONED. RIGHT ENGINE SURGED DURING CLIMB, AC DECLARED EMERGENCY AND PERFORMED (ATB) AC RETURNED TO GATE AND MTX GROUNDED AC .AC IS CURENTLY BEING WORKED IN LAX , AMENDE
- [SDR ABXA20241104210R1](https://openairdocs.org/sdr/ABXA20241104210R1), Nov 4, 2024: TRANSMITTER. MALFUNCTIONED. THIS REPORT IS AMENDED AC IS RECORDED 650GT AND ACTUALLY IS 651GT . DURING FLIGHT FROM CVG TO ELP WX RADAR FAILED AND AIRCRAFT DECIDED TO RETURN TO CVG .AC LAND
- [SDR ABXA20240802147](https://openairdocs.org/sdr/ABXA20240802147), Aug 2, 2024: CONTROLLER. MALFUNCTIONED. DURING FLIGHT FROM BOS TO CVG TO FL380 AT LEVEL OFF R ENG PAC STALLED AND SURGED THE RIGHT ENG ROLLED BACK TO IDLES AS THIS BEGAN THE EGT STARTED INCREASING WE 
- [SDR ABXA20240626125](https://openairdocs.org/sdr/ABXA20240626125), Jun 26, 2024: WINDSHIELD WIPER. INOPERATIVE. DURING TAXI FIRST OFFICER WINDSHIELD WIPER IS INOP AC RETURNED TO GATE AND MAINTENANCE GROUNDED AC MTX CYCLED CONTROL SWITCH AND POWER, F/O'S WINDSHIELD WIPER S
- [SDR ABXA20240617114](https://openairdocs.org/sdr/ABXA20240617114), Jun 17, 2024: ENGINE. UNKNOWN. WHILE STARTING #2 ENGINE DURING TAXI ,START TEMP RAPIDLY INCREASED AND EXCEEDED EGT START LIMITS(551 MAX) AC RETURNED TO GATE AND MAINTENANCE GROUNDED AC MAINTE
- [SDR ABXA20240517590](https://openairdocs.org/sdr/ABXA20240517590), May 15, 2024: METERING VALVE. LEAKING. AFTER CLIME STARTED TO LEVEL OFF AND LEFT ENGINE COMPRESSOR STALL NOTED 4 TIME 39-34 LEFT EPR DROPPED BELOW 1.0 R EPR 1.0 LEFT THEN SURGED TO BACK TO 1.0 . AC P
- [SDR ABXA2024042383](https://openairdocs.org/sdr/ABXA2024042383), Apr 23, 2024: UNKNOWN. VIBRATION. DURING TAXI WHILE STARTING #2 ENGINE RIGHT ENGINE HAD SIGNIFICANT VIBRATION AFTER ENGINE START ,ENGINE INSTERMENTS WERE NORMAL. AC RETURNED TO GATE AND MAINTENA
- [SDR ABXA2024042082](https://openairdocs.org/sdr/ABXA2024042082), Apr 20, 2024: TUBE. LEAKING. DURING TAXI OUT CENTER HYD SYS FAILED. CENTER HYD SYS & PRESS & QTY LIGHTS ILLUMINATED WITH "C HYD SYS PRESS" EICAS MSG. CENTER HYD QTY READS .09 RF ON STATUS P
- [SDR ABXA2024032970](https://openairdocs.org/sdr/ABXA2024032970), Mar 29, 2024: PUMP. FAULTED. CENTER HYD SYSTEM HYD LEAK. REPLACED C1 PUMP IAW B767 AMM 29-11-02. OPS AND LEAK CHECK GOOD.AC RETURNED TO SERVICE.

All 129: https://openairdocs.org/aircraft/N651GT/reports.md

## STCs that may be installed (OpenAirDocs) (18)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the engine (Pratt & Whitney JT9D series)

- [STC SE2338SO](https://openairdocs.org/stc/SE2338SO): Installation of an oil tank safety cap adapter which prevents oil loss in the event of loss or damage to the filler cap. Jet Avion Corporation. Lists JT9D-20
- [STC SE00024EN](https://openairdocs.org/stc/SE00024EN): Installation of oil tank filler neck check valve. Helicopter Support Inc Services Div. Lists JT9D-3A
- [STC SE01543CH](https://openairdocs.org/stc/SE01543CH): Replace Hamilton Sundstrand P/N 778839-13, 778839-14, 778839-19, 778839-20, 778839-37, 778839-38, 816682-1, 840618-2, 880724 carbon bushings with Cook Airtomic P/N AIR22947 Slotted Entry Busing in the High Pressure Shutoff Valve. Cook Airtomic. Lists JT9D-20
- [STC SE00402NY](https://openairdocs.org/stc/SE00402NY): Installation of corrosion resistant steel replacement Chip Detectors. Vickers Inc
- [STC SE497NE](https://openairdocs.org/stc/SE497NE): Installation of oil tank filler neck check valve assembly. Aviation Components Support. Lists JT9D-3A
- [STC SE00054AT-D](https://openairdocs.org/stc/SE00054AT-D): Modification of the turbine exhaust case to provide increased wall thickness for the purpose of improved blade containment. Aero Component Technologies. Lists JT9D-7R4D
- [STC SE00047AT-D](https://openairdocs.org/stc/SE00047AT-D): Modification of turbine exhaust case to provide increased wall thickness for the purpose of improved blade containment. Aero Component Technologies. Lists JT9D-20
- [STC SE00046AT-D](https://openairdocs.org/stc/SE00046AT-D): State 1 LPC Stator: Provide a seamless one piece rubber airflow surface at the inner shroud. Aero Component Technologies. Lists JT9D-20
- [STC SE00045AT-D](https://openairdocs.org/stc/SE00045AT-D): Modify -59A LPT case to reduce the thickness of four bosses to eliminate interference with the turbine case cooling manifold installed on -7Q engines. This modification permits use of the -59A LPT case on-7Q engines. Aero Component Technologies. Lists JT9D-59A
- [STC SE2888SO-D](https://openairdocs.org/stc/SE2888SO-D): Modify turbine exhaust case to incorporate Model -20 mount features. Aero Component Technologies. Lists JT9D-7A
- [STC SE593NE](https://openairdocs.org/stc/SE593NE): Installation of a Select Controls Inc. Engine Oil Shuttle Valve, P/N 2057-1-001. (See Eligibility List). Basken Valve Corporation
- [STC SE435NE](https://openairdocs.org/stc/SE435NE): Installation of an oil tank filler opening shuttle valve. Stockbridge William D. Lists JT9D-20J
- [STC SA2227SO](https://openairdocs.org/stc/SA2227SO): Installation of wiring and associated components for utilization of the Rolls Royce, Inc., ARINC, interface/readers UT1317 or UT1317/1, for the purpose of acquisition, recording, and analysis in real time of engine/aircraft/ systems. (767 SERIES POWERED BY RR RB-11-524 SERIES. Rolls Royce, Inc
- [STC SE133NE](https://openairdocs.org/stc/SE133NE): Incorporation of Hamilton Standard EDM 110-3 Engine Data Multiplexer. United Technologies. Lists JT9D-7R4D1
- [STC SE118NE](https://openairdocs.org/stc/SE118NE): Thrust reverser system P/N 221D0065, consisting of 4 major installations. Pratt & Whitney. Lists JT9D-7R4D1
- [STC SE1141CE](https://openairdocs.org/stc/SE1141CE): Removal of 15th stage bleeds and surge detector system. Trans World Airlines Inc. Lists JT9D-7A
- [STC SE33NE](https://openairdocs.org/stc/SE33NE): Incorporation of improved combustor and turbine components which permit operation at increased EGT limits. Pratt & Whitney Aircraft Grp. Lists JT9D-7F
- [STC SE11CE](https://openairdocs.org/stc/SE11CE): Installation of aircraft integrated data system components on engine. Trans World Airlines Inc. Lists JT9D-3A

## Related

- Other Boeing 767-231SF aircraft: https://openairdocs.org/model/boeing-767-231sf/aircraft.md
- The Pratt & Whitney JT9D series engine: https://openairdocs.org/engine/pratt-whitney-jt9d-series.md

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