What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT SYSTEM TEST FAILED. MAINTENANCE REPLACED BATTERY PACK AT 12WL PER AMM 33-51-38.
- Difficulty date
- January 25, 2020
- Submitted
- January 28, 2020
- Operation
- Air carrier
- Aircraft
- N908AA
- Make and model
- Airbus A321231
- Aircraft serial
- 7775
- Aircraft time
- 8,724 hours, 3,270 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.