What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 14WL FAULTING. REPLACED BATTERY FOR EMERGENCY POWER SUPPLY UNIT 14WL PER AMM 33-51-38.
- Difficulty date
- April 21, 2023
- Submitted
- April 25, 2023
- Operation
- Air carrier
- Aircraft
- N523UW
- Make and model
- Airbus A320*
- Aircraft serial
- 3960
- Aircraft time
- 47,132 hours, 17,412 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
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.