What was found
APU FAILED BEFORE ENG START WHILE IN BLOCKS. PERFORMED BITE CHECK, NO MSG IAW AMM 49-11-00. STARTED APU, NORMAL START, OPS CHECKED NORMAL. NO MSG NOTED.
- Difficulty date
- August 8, 2019
- Submitted
- August 9, 2019
- Operation
- Air carrier
- Aircraft
- N1373A
- Make and model
- Boeing 76731K
- Aircraft serial
- 27205
- Aircraft time
- 99,600 hours, 20,709 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Apu
- Condition
- Malfunctioned
- Stage of operation
- TX
- 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.