What was found
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.
- Difficulty date
- January 30, 2026
- Submitted
- January 30, 2026
- Operation
- Air carrier
- Aircraft
- N650GT
- Make and model
- Boeing 767231
- Aircraft serial
- 22566
- Aircraft time
- 94,922 hours, 28,497 cycles
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Pneumatic System
- Condition
- Failed
- Location
- Apu
- Stage of operation
- TX
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.