What was found
AIRCRAFT WAS NOT GROUNDED: 11 WL FAILED A CHECK EPSU SYSTEM TEST. MAINTENANCE REPLACED POWER SUPPLY BATTERY UNIT PER AMM 33-51-38.
- Difficulty date
- June 14, 2019
- Submitted
- June 18, 2019
- Operation
- Air carrier
- Aircraft
- N929AA
- Make and model
- Airbus A321231
- Aircraft serial
- 7525
- Aircraft time
- 7,970 hours, 3,051 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- 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.