What was found
INFO ONLY, APU FAILED TO START FIRST ATTEMPT. EGT RAPIDLY REACHED 775 AT 30% RPM & STOPPED ACCELERATING APU. APU FAULT EICAS MESSAGE, NOTED BY MX. APU OPERATIONS CHECK GOOD, IAW AMM 49-11-00.
- Difficulty date
- November 22, 2020
- Submitted
- November 24, 2020
- Operation
- Air carrier
- Aircraft
- N1489A
- Make and model
- Boeing 76731K
- Aircraft serial
- 27206
- Aircraft time
- 108,473 hours, 21,569 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Egt Indication
- Condition
- Reads High
- Location
- Apu
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- M, J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.