What was found
14WL EMERGENCY POWER SUPPLY UNIT BATTERY FAULTED. MAINTENANCE REPLACED THE POWER SUPPLY BATTERY IAW AMM 33-51-38, AND PERFORMED SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- April 19, 2018
- Submitted
- April 23, 2018
- Operation
- Air carrier
- Aircraft
- N558UW
- Make and model
- Airbus A321231
- Aircraft serial
- 5282
- Aircraft time
- 19,240 hours, 7,735 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- No Test
- Location
- Emergency Light
- 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.