What was found
EPSU BATTERIES FAILED ON BOTH OVERWING (FIN 11WL/12WL) DURING EPSU BATTERY TEST / REMOVED AND REPLACED BOTH OVERWING EPSU BATTERIES IAW AMM 33-51-38-000-002-A/33-51-38-400-002-A; OP'S CHECK GOOD"
- Difficulty date
- May 18, 2021
- Submitted
- May 19, 2021
- Operation
- Air carrier
- Aircraft
- N333NV
- Make and model
- Airbus A319111
- Aircraft serial
- 2790
- Aircraft time
- 41,881 hours, 35,921 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 321431
- Part serial
- 882838
- 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.