What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 12WL FAILED TEST. REPLACED POWER SUPPLY BATTERY PER AMM 33-51-38 OPS CHECK GOOD.
- Difficulty date
- July 31, 2022
- Submitted
- August 1, 2022
- Operation
- Air carrier
- Aircraft
- N139AN
- Make and model
- Airbus A300*
- Aircraft serial
- 6687
- Aircraft time
- 20,893 hours, 8,082 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- Failed
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.