What was found
DURING THE 1A PHASE 1 CHECK EMERGENCY LIGHTING TEST FOUND 3 BATTERIES FAILED. / REMOVED AND REPLACED ALL 3 EPSU BATTERIES (10WL) , (11WL) AND (12WL) IAW AMM 33-51-38, OPS CHECK GOOD, NO FAULTS FOUND AT THIS TIME."
- Difficulty date
- May 6, 2021
- Submitted
- May 7, 2021
- Operation
- Air carrier
- Aircraft
- N231NV
- Make and model
- Airbus A320214
- Aircraft serial
- 1171
- Aircraft time
- 55,353 hours, 29,857 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.