What was found
ON PREFLIGHT FOUND THE SOURCE OFF WITH APU SELECTED ON LEFT / #1. GROUNDED - YES. REMOVED AND REPLACED AUXILIARY POWER BREAKER C803- P91 AND PERFORMED GOOD TEST OF THE AUXILIARY POWER BREAKER AS PER AMM 24-21-41/401.
- Difficulty date
- September 24, 2023
- Submitted
- September 26, 2023
- Operation
- Air carrier
- Aircraft
- N948AK
- Make and model
- Boeing 7379
- Aircraft serial
- 44090
- Aircraft time
- 3,853 hours, 1,117 cycles
- System (JASC)
- 2420 · AC Generation System
- Part
- Contactor
- Part number
- 51080205001
- Condition
- Faulty
- Location
- E/E Compartment
- Stage of operation
- TX
- 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.