What was found
APU BLEED VERY LOW DURING ENGINE START. DUCT PRESSURE ABOUT 16 PSI FOR ENGINE START. DEFERRED PER MEL 49-11-01-01 CAT C MX PROCEDURE C/W ON 4/7/22 @ 0137
- Difficulty date
- April 6, 2022
- Submitted
- April 9, 2022
- Operation
- Air carrier
- Aircraft
- N321CM
- Make and model
- Boeing 767
- Aircraft serial
- 29431
- Aircraft time
- 83,988 hours, 14,090 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- None
- Condition
- None
- Stage of operation
- TX
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.