# Service difficulty reports: Boeing 767-231

A list on [Boeing 767-231](https://openairdocs.org/model/boeing-767-231.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 16 · 757 reports

- [SDR ABXA20260731345](https://openairdocs.org/sdr/ABXA20260731345.md): Apu · shutdown · Jul 31, 2026 · N651GT · Boeing 767231 · APU Core Engine
  > 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 RETURNED AC TO SERVICE.
- [SDR ABXA20260731341](https://openairdocs.org/sdr/ABXA20260731341.md): Dampener · faulted · Jul 31, 2026 · N651GT · Boeing 767231 · Auto Flight System
  > 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 CAT III B. COMPLIED MX PROCEDURES & PLACARD INSTALLED. A/C RETURNED TO SERVICE.
- [SDR ABXA20260618267](https://openairdocs.org/sdr/ABXA20260618267.md): Engine · hot start · Jun 18, 2026 · N651GT · Boeing 767231 · Engine (Turbine/Turboprop)
  > 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 SECONDS. STARTED ENGINE WITH A MAX EGT OF 381. AIRCRAFT OK FOR SERVICE.
- [SDR ABXA20260617265](https://openairdocs.org/sdr/ABXA20260617265.md): Indication Sys · illuminated · Jun 17, 2026 · N651GT · Boeing 767231 · Door Warning System
  > 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. PLACARDS INSTALLED. VERIFIED DOOR CLOSED AND LOCKED. VERIFY DOOR CLOSED AND LOCKED PRIOR TO EACH D
- [SDR ABXA20260612257](https://openairdocs.org/sdr/ABXA20260612257.md): Detection Sys · no test · Jun 12, 2026 · N651GT · Boeing 767231 · Detection System
  > 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 SERVICE.
- [SDR ABXA20260429181](https://openairdocs.org/sdr/ABXA20260429181.md): Engine · vibration · Apr 29, 2026 · N651GT · Boeing 767231 · Engine (Turbine/Turboprop)
  > 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 BLOCKS (BTB). AIRCRAFT FREIGHT LOAD IS LIGHT AT 15,500. PERFORMED ENGINE IDLE RUN AND BREAK AWAY POWER RU
- [SDR ABXA20260414165](https://openairdocs.org/sdr/ABXA20260414165.md): Pitot Tube · defective · Apr 14, 2026 · N650GT · Boeing 767231 · Pitot/Static System
  > CAPT PITOT CAUTION MSG AFTER ENGINE START. A/C RETURNED TO BLOCKS (BTB). MTC REMOVED AND REPLACED CAPT PITOT PROBE IAW AMM 34-11-01 PERFORMED LOW LEVEL LEAK CHECK IAW AMM 34-11-00 CAPTS PROBE AND LEAK CHKD GOOD. RAN ENGINES IAW AMM 71-00-00 NO MSG PRESENT OPS
- [SDR ABXA20260413162](https://openairdocs.org/sdr/ABXA20260413162.md): Bleed Valve · faulted · Apr 13, 2026 · N651GT · Boeing 767231 · Compressor Bleed Valve
  > 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 HPSOV LOCKOUT PLUG RETAINER CABLE IN BETWEEN PLUG AND HOLE, ALLOWING AIR TO BYPASS. REMOVED OLD, TH
- [SDR ABXA20260410157](https://openairdocs.org/sdr/ABXA20260410157.md): Proximity Switch · defective · Apr 10, 2026 · N650GT · Boeing 767231 · Leading Edge Slat Control System
  > ON DEPARTURE DURING CLIMB, DURING RETRACTING OF FLAPS, LE SLAT ASYM ILLUMINATED. FLIGHT CREW DECLARED EMERGENCY AND DID AN AIR TURN BACK (ATB). REPLACED PSEU IAW B767 AMM 32-09-03 OPS GOOD. PERFORMED GVI OF SLAT SENSOR 304 NO DEFECTS NOTED FOUND NEAR TARGET
- [SDR ABXA20260320120](https://openairdocs.org/sdr/ABXA20260320120.md): Bleed Valve · faulted · Mar 20, 2026 · N651GT · Boeing 767231 · Compressor Bleed Valve
  > 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 IAW MEL 36-11-2-1. MX PREOCEDURES C/W. PLACARDS INSTALLED. MBCB 03/30/2026. AIRCRAFT RETURNED
- [SDR ABXA20260312112](https://openairdocs.org/sdr/ABXA20260312112.md): Bleed Valve · warning message · Mar 12, 2026 · N651GT · Boeing 767231 · Compressor Bleed Valve
  > 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. JUST AS WE STARTED DESCENDING TO FL240 WE GOT A CABIN ALTITUDE WARNING MESSAGE WHICH FORCED US TO EX
- [SDR ABXA202603109091](https://openairdocs.org/sdr/ABXA202603109091.md): Smoke Detector · inoperative · Mar 9, 2026 · N651GT · Boeing 767231 · Smoke Detection
  > 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.CLEARED REF LOG PAGE 39342-63/3. AC RETURNED TO SERVICE.
- [SDR ABXA20260305086](https://openairdocs.org/sdr/ABXA20260305086.md): Smoke Detector · no test · Mar 5, 2026 · N651GT · Boeing 767231 · Smoke Detection
  > 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 B767 AMM 26-14-01. OPS CHECK GOOD. A/C RETURNED TO SERVICE.
- [SDR ABXA20260218069](https://openairdocs.org/sdr/ABXA20260218069.md): Warning Message · false activation · Feb 18, 2026 · N651GT · Boeing 767231 · Central Warning
  > 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 IAW ABX FIM 30-34 FAULT TREE 803. NO FAULTS NOTED. AIRCRAFT RETURNED TO SERVICE.
- [SDR ABXA2026020230045](https://openairdocs.org/sdr/ABXA2026020230045.md): Switch · out of position · Jan 30, 2026 · N650GT · Boeing 767231 · Airborne Auxiliary Power Unit (APU) System
  > DURING TAXI OUT, UPON START ATTEMPT FOR LH / #1 ENG LH ENG VALVE DISCREET + LT ILLUM, DUCT PRESSURE RETURNS TO 0 PSI. AIRCRAFT RETURNED TO BLOCKS (BTB). PUT THE APU BLEED AIR SWITCH TO THE OFF POSITION PER ABX 767 MPM 36-11-04. OPS CHECKED GOOD IAW 71-00-00
- [SDR ABXA20260130039](https://openairdocs.org/sdr/ABXA20260130039.md): Start Valve · defective · Jan 30, 2026 · N650GT · Boeing 767231 · Engine Start Valves/Controls
  > DURING TAXI OUT, UPON START ATTEMPT FOR LH ENG, ENG START VALVE WOULD NOT OPEN. AIRCRAFT RETURNED TO BLOCKS (BTB). DEFERRED LT ENG START VALVE PER MEL 80-00-2-1. PLACARDS INSTALLED. MBCB 02/09/26. REPLACED LT ENGINE START VALVE PER B767 AMM 80-11-02. SYSTEM
- [SDR ABXA20260130038](https://openairdocs.org/sdr/ABXA20260130038.md): Pneumatic System · failed · Jan 30, 2026 · N650GT · Boeing 767231 · APU Bleed Air System
  > DURING TAXI OUT, APU PNEUMATICS INOP. A/C RETURNED TO BLOCKS (BTB). MAINTENANCE DEFERRED PER MEL 49-11-1-1. PLACARD INSTALLED, CAT C DUE DATE 2/9/26. MAINT. PROCEDURES 36-11-4 C/W. AIRCRAFT RETURNED TO SERVICE.
- [SDR ABXA20260120020](https://openairdocs.org/sdr/ABXA20260120020.md): Warning Message · illuminated · Jan 20, 2026 · N651GT · Boeing 767231 · Stabilizer Position Indicating
  > 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.md): Thrust Reverser · faulted · Jan 3, 2026 · N651GT · Boeing 767231 · Engine Thrust Reverser
  > 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 IAW MEL 78-31-1 MX PROCEDURES ACCOMPLISHED PLACARDS INSTALLED MBCB 01/13/26.AND RETURNED A/C TO SE
- [SDR ABXA20251229362](https://openairdocs.org/sdr/ABXA20251229362.md): Warning Message · illuminated · Dec 29, 2025 · N651GT · Boeing 767231 · Detection System
  > 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 26-18-1-1-1, MX PROCEDURES C/W, MBCB 01/08/26, PLACARDS INSTALLED.AND RETURNED A/C TO SERVICE
- [SDR ABXA202512264353](https://openairdocs.org/sdr/ABXA202512264353.md): Warning Message · illuminated · Dec 24, 2025 · N651GT · Boeing 767231 · Central Warning
  > 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 ACCOMPLISHED PER MPM 36-11-2, PLACARDS INSTALLED, MBCB 01-03-26, AUTH# 2025-046. AIRCRAFT RETUR
- [SDR ABXA20251223351](https://openairdocs.org/sdr/ABXA20251223351.md): Fire Warning · false activation · Dec 23, 2025 · N651GT · Boeing 767231 · Fire Detection
  > 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 TRUCKS. FIRE CHIEF FOUND NO ISSUE, NO SMOKE OR FIRE. MAINTENANCE REMOVED & REPLACED #1 AFT CARGO FI
- [SDR ABXA20251215343](https://openairdocs.org/sdr/ABXA20251215343.md): Pressure Switch · defective · Dec 15, 2025 · N650GT · Boeing 767231 · Engine Oil Pressure
  > ON TAXI OUT, LT ENGINE OIL FILTER STATUS MESSAGE ILLUMINATED. AIRCRAFT RETURNED TO BLOCKS (BTB). MAINTENANCE REMOVED AND REPLACED NR 1 ENGINE DIFFERENTIAL PRESS OIL SWITCH IAW AMM 79-35-01. OPS AND LEAK CHECKED GOOD. ACCOMPLISHED IDLE RUN OF NR 1 ENGINE I
- [SDR ABXA20251213338](https://openairdocs.org/sdr/ABXA20251213338.md): Circuit Breaker · no discrepancy · Dec 13, 2025 · N651GT · Boeing 767231 · Electrical Power System
  > 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 BREAKER I.A.W B767 AMM 20-60-01. AIRCRAFT RETURNED TO SERVICE.
- [SDR ABXA202512053316](https://openairdocs.org/sdr/ABXA202512053316.md): Sensor · malfunctioned · Dec 3, 2025 · N651GT · Boeing 767231 · Trailing Flap Position Indicating System
  > 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 EXTINGUISH. QRH DIRECTS TO LAND AT FLAPS 20, WHICH IS A NON-STANDARD LANDING CONFIG. EMERGENCY DECLARE
- [SDR ABXA202512051314](https://openairdocs.org/sdr/ABXA202512051314.md): Warning Message · illuminated · Dec 1, 2025 · N651GT · Boeing 767231 · Fire Detection
  > 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 RETURNED TO SERVICE.
- [SDR ABXA20251116302](https://openairdocs.org/sdr/ABXA20251116302.md): Warning Message · false activation · Nov 16, 2025 · N651GT · Boeing 767231 · Central Warning
  > 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 WITH ENG IDLE RUN ON BOTH ENGINES. AIRCRAFT RETURNED TO SERVICE.
- [SDR ABXA20251114301](https://openairdocs.org/sdr/ABXA20251114301.md): Circuit Board · faulted · Nov 14, 2025 · N650GT · Boeing 767231 · Auto Throttle System
  > DURING CRUSE,RIGHT AUTOTHROTTLE STAYS AT IDLE WHILE LEFT ADVANCES ENOUGH TO THROW PLANE OFF COURSE. AFTER SAFE LANDING MTX DEFERRED THE AUTOTHOTTLE SYSTEM IAW MEL 22-30-1. MX PROCEDURES COMPLIED WITH PLACARDS INSTALLED MBCB 11/24/25 REF. LOG PAGE 39215-93/1 A
- [SDR ABXA20251113300](https://openairdocs.org/sdr/ABXA20251113300.md): Life Vest · expired · Nov 13, 2025 · N767AX · Boeing 767231 · Standard Practices/Structures
  > FOUND CREW LIFE VEST IN STORAGE NEXT TO L1 DOOR EXPIRED DEFERRED LIFE VEST IAW MEL 25-62-1A. MAINTENANCE PROCEDURES C/W. PLACARDS INSTALLED. MBCB 03/13/2026 CLEARED 11/14/25.REPLACED CREW LIFE VEST AS REQUIRED PLACARD REMOVED NO REACTIVATION PROCEDURES R
- [SDR ABXA20251113298](https://openairdocs.org/sdr/ABXA20251113298.md): Engine · hot start · Nov 13, 2025 · N651GT · Boeing 767231 · Engine (Turbine/Turboprop)
  > 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 PERFORMED A SECOND TIME R ENG START. EGT READING 279 REF FIM 71-08 TASK 816. NO FURTHER MX ACTION
- [SDR ABXA202511143298](https://openairdocs.org/sdr/ABXA202511143298.md): Egt Indication · illuminated · Nov 13, 2025 · N651GT · Boeing 767231 · Engine Indicating System
  > 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. MTX PERFORMED A SECOND TIME R ENG START. EGT READING 279 REF FIM 71-08 TASK 816. NO FURTHER MX ACTI
- [SDR ABXA20251031284](https://openairdocs.org/sdr/ABXA20251031284.md): Window · cracked · Oct 31, 2025 · N651GT · Boeing 767231 · Flight Compartment Windows
  > 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 BACK TO CVG. REMOVED AND REPLACED R1 WINDOW ITEM CONTROLLER IAW B767 AMM 30-41-01. OPS CK GOOD.
- [SDR ABXA20251027281](https://openairdocs.org/sdr/ABXA20251027281.md): Slat System · faulted · Oct 27, 2025 · N651GT · Boeing 767231 · Leading Edge Slat Control System
  > 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 BECAUSE OF FLAP CONFIGURATION NOT NORMAL.PER QRH, LANDED WITH NO OTHER COMPLICATIONS AND TAXIED
- [SDR ABXA20251024280](https://openairdocs.org/sdr/ABXA20251024280.md): Blowout Panel · missing · Oct 24, 2025 · N651GT · Boeing 767231 · Wing Main, Frame Structure
  > 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 AND FOUND LEADING EDGE TAI DUCT BLOWN. REMOVED AND REPLACED DUCT SECTION OF RH WING LE IAW AMM 36-1
- [SDR ABXA20251024277](https://openairdocs.org/sdr/ABXA20251024277.md): Sensor · malfunctioned · Oct 24, 2025 · N650GT · Boeing 767231 · Engine Indicating System
  > FL320 L ENG STARTED SURGING, EPR +/-.55, N1 +/- 2.3, EGT +/- 20. FOLLOWED QRH, ENGINE STABILIZED IN "FLT" IGN. MODE- REMAIN MOSTLY STABLE. ANY TURB, R ENG SURGED ALSO. INTERMITTENT SURGE FOR REMAINING FLIGHT. DIVERTED TO CVG AND LANDED.MTX GROUNDED AC AN
- [SDR ABXA20251010266](https://openairdocs.org/sdr/ABXA20251010266.md): Circuit Breaker · tripped · Oct 10, 2025 · N651GT · Boeing 767231 · Engine Thrust Reverser
  > 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 DEFERRED RH T/R PER MEL 78-31-1. MX PROCEDURES 78-31-1 C/W. PLACARDS INSTALLED.MBCB 10-20-25. AIRCRA
- [SDR ABXA20251007260](https://openairdocs.org/sdr/ABXA20251007260.md): Escape Reel · detached · Oct 7, 2025 · N650GT · Boeing 767231 · Emergency Equipment
  > DURING CREW PRE-FLIGHT CHECK, INERTIAL REEL FELL OUT OF HOLDER AS I WAS CHECKING IT. REMOVED AND REPLACED #4 INERTIAL REEL IAW B767 AMM 25-61-03. AIRCRAFT RETURNED TO SERVICE.
- [SDR ABXA2025122313](https://openairdocs.org/sdr/ABXA2025122313.md): Escape Reel · unwanted deploy · Oct 2, 2025 · N651GT · Boeing 767231 · Emergency Equipment
  > ON LANDING, EMERGENCY ESCAPE IN SUPERNUMERARY SELF DEPLOYED ON LANDING. MAINTENANCE REMOVED AND REPLACED 4 EACH DECENT DEVICES IN SUPERNUMERARY IAW B767 AMM 25-61-03. THIS CLEARS DI 68427, PLACARD REMOVED. AIRCRAFT RETURNED TO SERVICE. ALL 4 P/N'S REMOVED:
- [SDR ABXA20250923237](https://openairdocs.org/sdr/ABXA20250923237.md): Anti-Skid Valve · defective · Sep 23, 2025 · N650GT · Boeing 767231 · Brake Anti-Skid Section
  > ON TAXI OUT, RH HYD QUANTITY WENT TO RF ON STATUS PAGE AFTER ENGINE START. AIRCRAFT RETURNED TO BLOCKS. MAINTENANCE REMOVED AND REPLACED RH ANTI-SKID MODULE IAW B76Y7 AMM 32-42-02. OPS AND LEAK CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR ABXA20250922240](https://openairdocs.org/sdr/ABXA20250922240.md): Elt · expired · Sep 22, 2025 · N650GT · Boeing 767231 · Emergency Locator Beacon
  > MAINTENANCE FOUND PORTABLE ELT BATTERY EXPIRED AUG. 2025. FWD TO MEL 23-24-1-1 NO DE-ACT PROCEDURES REQ MCCB 20JAN26 DI 66384 PLACARD INSTALLED. PORTABLE ELT REMOVED AND REPLACED IAW CMM 25-63-01 OPS CHECK GOOD. DI CLEARED. REMOVED PLACARDS NO MAINTENANCE
- [SDR ABXA20250920234](https://openairdocs.org/sdr/ABXA20250920234.md): Module · faulted · Sep 20, 2025 · N650GT · Boeing 767231 · Navigation System
  > ON TAXI OUT, WARN ELEX MSG APPEARED AND WAS UNABLE TO RESET. ACFT RETURNED TO THE GATE (BTB) AND MAINTENANCE GROUNDED ACFT, MTX PERFORMED BITE PROCEDURES 31-51 TREE 801 MSG CLEARED A/C OK FOR SERVICE. ACFT RETURUNED A SECOND TIME AND MESSAGE WAS CLEARED, FO
- [SDR ABXA202509176229](https://openairdocs.org/sdr/ABXA202509176229.md): Unknown · vibration · Sep 16, 2025 · N651GT · Boeing 767231 · Fuselage Structure (General)
  > 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 FUEL TO AIRCRAFT AND PERFORMED ENGINE IDLE RUN IAW AMM 71-00-00 OPS GOOD, NO VIBRATION NOTED. AF
- [SDR ABXA20250907220](https://openairdocs.org/sdr/ABXA20250907220.md): Sensor · defective · Sep 7, 2025 · N650GT · Boeing 767231 · Fuel Controlling System
  > L ENG FLUCTUATE AT FL 360 EPR 1.31-1.27, N1 82.8-86.5, EGT 418-416. NO FLUCTUATION ON DESCENT OR APPROACH. DEFERRED THE EEC (PMC) SYSTEM PER MEL 73-21-1-1B. REACTIVATED EEC'S PER MEL 73-21-1-1B. REMOVED OLD, THEN INSTALLED NEW L ENGINE TT2 FUEL CONTROL SENS
- [SDR ABXA20250905215](https://openairdocs.org/sdr/ABXA20250905215.md): Escape Reel · detached · Sep 5, 2025 · N650GT · Boeing 767231 · Emergency Equipment
  > EMERGENCY DESCENT DEVICE IN COCKPIT #3 POSITION PREVIOUSLY DEPLOYED. REMOVED AND REPLACED #3 COCKPIT EMERGENCY DECENT DEVCE IAW AMM 25-61-03. REPLACED 4 EACH WORN RETENTION SPRINGS IAW B767 SRM 51-40-02. AIRCRAFT RETURNED TO SERVICE.
- [SDR ABXA20250901209](https://openairdocs.org/sdr/ABXA20250901209.md): Life Vest · expired · Sep 1, 2025 · N651GT · Boeing 767231 · Life Jacket
  > 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 SERVICE
- [SDR ABXA20250831203](https://openairdocs.org/sdr/ABXA20250831203.md): Servo · inoperative · Aug 31, 2025 · N650GT · Boeing 767231 · Autopilot System
  > AFTER TAKEOFF, AIRCRAFT FISHTAILED (YAW LEFT TO RIGHT) RETURNED BACK TO KCVG,(ATB) AND DECLARED EMERGENCY.PERFORMED A SMOOTH OVERWEIGHT LANDING AT 305,000 LBS. ADDITIONAL "R YAW DAMPER" CAUTION AT FINAL APPROACH. MTX GROUNDED A/C,TROUBLE SHOT AND REPLACED R
- [SDR ABXA20250823196](https://openairdocs.org/sdr/ABXA20250823196.md): Escape Reel · detached · Aug 23, 2025 · N651GT · Boeing 767231 · Emergency Equipment
  > (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. THIS CLEARS DI 65509. NO FURTHER MAINTENANCE ACTION REQUIRED. LP 39229-54/1. AIRCRAFT RETURNED
- [SDR ABXA20250822186](https://openairdocs.org/sdr/ABXA20250822186.md): Escape Reel · detached · Aug 22, 2025 · N650GT · Boeing 767231 · Emergency Equipment
  > MAINTENANCE FOUND #7 EMERGENCY DESCENT DEVICE FELL OUT OF IT'S CASE AND UNWINDED THE CABLE. (SUPERNUMERARY). REMOVED AND INSTALLED #7 EMERGENCY DESCENT DEVICE IAW AMM 25-61-03. AIRCRAFT RETURNED TO SERVICE.
- [SDR ABXA20250819178](https://openairdocs.org/sdr/ABXA20250819178.md): A/C Pack · inoperative · Aug 19, 2025 · N651GT · Boeing 767231 · Cabin Cooling System
  > 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 PER MEL 21-51-1-1. MPM 21-51-2 COMPLIED WITH. PLACARDS INSTALLED. MBCB 08-29-25. LP 39197-90/1
- [SDR ABXA2025080800174](https://openairdocs.org/sdr/ABXA2025080800174.md): Escape Reel · detached · Aug 8, 2025 · N651GT · Boeing 767231 · Emergency Equipment
  > 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 DEVICES AT THE #4 AND #6 SPOT IAW AMM 25-61-03. DI 65048 CLOSED. REF LP 39197-68/1. #4 - PN: 3

Next page: https://openairdocs.org/model/boeing-767-231/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE aircraft_model_key = '767231'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/boeing-767-231/reports

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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.