What was found
AIRCRAFT WAS NOT GROUNDED. PERFORMED EMERGENCY POWER SUPPLY UNIT TEST, FOUND EMERGENCY BATTERY POSITION 13WL FAULT. REPLACED BATTERY PACK 13 WL (AFT) PER MM 33-50-00. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- August 4, 2017
- Submitted
- August 8, 2017
- Operation
- Air carrier
- Aircraft
- N128AN
- Make and model
- Airbus A321231
- Aircraft serial
- 6346
- Aircraft time
- 9,608 hours, 2,959 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 321430
- Condition
- Discharged
- 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.