What was found
APU BLEED PRESSURE WEAK, 10-20 PSI. CAUSING PROLONGED ENGINE START 50-55 SECONDS. DEFERRED APU PER MEL 49-11-01A. REPLACED APU IAM AMM 49-11-01-404 OPS AND LEAK CHECK GOOD.
- Difficulty date
- July 31, 2024
- Submitted
- August 6, 2024
- Operation
- Air carrier
- Aircraft
- N321CM
- Make and model
- Boeing 767323
- Aircraft serial
- 29431
- Aircraft time
- 89,392 hours, 15,704 cycles
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Bleed Air Sys
- Condition
- Weak
- Location
- Apu
- Component
- Apu
- Component part number
- 380029812
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.