What was found
AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY UNIT 12WL FAULTING DURING SYSTEM TEST. REPLACED BATTERY FOR EMERGENCY POWER SUPPLY UNIT 12WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK..
- Difficulty date
- October 7, 2023
- Submitted
- October 11, 2023
- Operation
- Air carrier
- Aircraft
- N156AN
- Make and model
- Airbus A320*
- Aircraft serial
- 6983
- Aircraft time
- 22,539 hours, 8,891 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- No Test
- 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.