What was found
AIRCRAFT WAS NOT GROUNDED. EMERGENCY POWER SUPPLY UNIT (13WL) FAULT. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY PER AMM 33-51-38 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- October 21, 2018
- Submitted
- October 24, 2018
- Operation
- Air carrier
- Aircraft
- N277AY
- Make and model
- Airbus A330323
- Aircraft serial
- 380
- Aircraft time
- 80,078 hours, 11,284 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- 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.