What was found
DURING HEAVY MAINTENANCE, FAULT EPSU 12WL; (REF AEROMAN NR 2021-62693 WO 2021 73/1) R &R BATTERY EPSU 12WL IAW AMM 33-51-38 OPS CHECKS OK IAW AMM 33-51-00-710-001-A
- Difficulty date
- March 4, 2021
- Submitted
- March 11, 2021
- Operation
- Air carrier
- Aircraft
- N793JB
- Make and model
- Airbus A320232
- Aircraft serial
- 4647
- Aircraft time
- 37,692 hours, 13,015 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 840231
- Condition
- Failed
- Location
- 12wl-Batt
- Part time
- 4,142 hours, 1,528 cycles
- 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.