What was found
APU FAILURE ON GROUND. PERFORMED ECU BITE AND NO FAULTS NOTED AS PER AMM 49-11-00. ACCOMPLISHED RUN-UP AND OPERATIONAL TEST OF APU AND AIR / ELEC OK PER AMM 49-11-00.
- Difficulty date
- May 31, 2019
- Submitted
- June 3, 2019
- Operation
- Air carrier
- Aircraft
- N640GT
- Make and model
- Boeing 7673S1
- Aircraft serial
- 25221
- Aircraft time
- 88,457 hours, 18,800 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Apu
- Condition
- Malfunctioned
- Stage of operation
- TX
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.