What was found
AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY UNIT 11WL BATTERY FAILED SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 11WL (AALA202401038002) AND BATTERY (AALA202401037963). A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.
- Difficulty date
- December 31, 2023
- Submitted
- January 3, 2024
- Operation
- Air carrier
- Aircraft
- N657AW
- Make and model
- Airbus A320232
- Aircraft serial
- 1083
- Aircraft time
- 78,734 hours, 31,854 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- No Test
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.