What was found
EMERGENCY POWER SUPPLY UNIT (EPSU) BAT (13WL) FAULT DURING EMERGENCY LIGHT TEST / REPLACED EPSU BAT (13WL) IAW AMM 33-51-38-000-002-A AND AMM 33-51-38-400-002-A. OPS CHK GOOD."
- Difficulty date
- September 27, 2021
- Submitted
- September 30, 2021
- Operation
- Air carrier
- Aircraft
- N307NV
- Make and model
- Airbus A319112
- Aircraft serial
- 2427
- Aircraft time
- 46,398 hours, 30,445 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- 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.