What was found
APU UNEXPECTEDLY SHUT DOWN AFTER LOADING HYDRAULICS DURING PRE-FLIGHT. PERFORMED BITE CHECK OF ECU IAW AMM 49-61-01. NO DATA FOUND, OPS CHECK GOOD AT THIS TIME. APU STARTED 1ST ATTEMPT.
- Difficulty date
- August 11, 2019
- Submitted
- August 12, 2019
- Operation
- Air carrier
- Aircraft
- N1373A
- Make and model
- Boeing 76731K
- Aircraft serial
- 27205
- Aircraft time
- 99,621 hours, 20,714 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Condition
- Shutdown
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.