What was found
APU STARTED ON THIRD ATTEMPT, UNABLE TO START APU INFLIGHT. PERFORMED BITE ON APU ECU, NO FAULTS NOTED. APU START AND OPS NORMAL IAW AMM 49-61-05-201.
- Difficulty date
- June 27, 2020
- Submitted
- June 29, 2020
- Operation
- Air carrier
- Aircraft
- N640GT
- Make and model
- Boeing 7673S1
- Aircraft serial
- 25221
- Aircraft time
- 91,295 hours, 19,441 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Apu
- Condition
- Malfunctioned
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.