What was found
EPSU BATTERY 12WL FAILED OPERATIONAL TEST. REPLACED EPSU 12WL IAW AMM 33-51-38-400-002. OPS CKC NORMAL. B
- Difficulty date
- October 27, 2023
- Submitted
- October 30, 2023
- Operation
- Air carrier
- Aircraft
- N411UA
- Make and model
- Airbus A320232
- Aircraft serial
- 464
- Aircraft time
- 92,146 hours, 36,036 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Epsu
- Part number
- AD321431
- Part serial
- 311602
- Condition
- Failed
- Location
- 12wl
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- L
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.