What was found
APU AUTO SHUTDOWN ON BLOCK IN. APU ECU FOUND FAULTY. ECU REPLACED AND APU CONFIRMED OPERATIONAL.
- Difficulty date
- June 12, 2021
- Submitted
- June 15, 2021
- Operation
- Air carrier
- Aircraft
- N757QM
- Make and model
- Boeing 75729J
- Aircraft serial
- 27203
- Aircraft time
- 62,185 hours, 33,181 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Ecu
- Part number
- 211734220
- Part serial
- 591111
- Condition
- Faulty
- Location
- Apu
- 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.