What was found
AIRCRAFT WAS NOT GROUNDED. EMERGENCY POWER SUPPLY UNIT SYSTEM TEST FAILS BATTERY PACK AT 12WL. REPLACED BATTERY PACK AT 12WL PER AMM 33-51-38. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- July 17, 2017
- Submitted
- July 19, 2017
- Operation
- Air carrier
- Aircraft
- N117AN
- Make and model
- Airbus A321231
- Aircraft serial
- 6094
- Aircraft time
- 11,771 hours, 2,463 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 321430
- Part serial
- 775676
- Condition
- Failed
- Location
- Cabin
- 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.