What was found
AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY EXT LT CIDS 1 EPSU SYS TEST, SYSTEM REPORTED BAT/EPSU (10WL) FWD L FAIL. REMOVED AND REPLACED 10WL FWD L EPSU BATTERY IAW AMM 33-51-38. BITE TEST AND SYSTEM TEST GOOD.
- Difficulty date
- July 13, 2024
- Submitted
- July 15, 2024
- Operation
- Air carrier
- Aircraft
- N510UW
- Make and model
- Airbus A321231
- Aircraft serial
- 3858
- Aircraft time
- 51,530 hours, 19,582 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- No Test
- Location
- Emergency Lights
- 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.