What was found
APU FAULT LIGHT ILLUMINATED ON START ATTEMPT. ATTEMPTED 2 STARTS. GROUNDED - YES. UPON ARRIVAL MX PERFORMED THREE SUCCESSFUL APU STARTS. ALL INDICATIONS NORMAL. SEE LOG PG 60630075 FOR MEL DEFERRAL.APU START AND OPS REF. AMM 49-11-00.
- Difficulty date
- July 12, 2023
- Submitted
- July 13, 2023
- Operation
- Air carrier
- Aircraft
- N921AK
- Make and model
- Boeing 7379
- Aircraft serial
- 43337
- Aircraft time
- 6,686 hours, 1,935 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.