What was found
AIRCRAFT WAS NOT GROUNDED: 13 WL FAULT ON EMERGENCY POWER SUPPLY UNIT BATTERY TEST. MAINTENANCE REPLACED 13 WL BATTERY PER AMM 33-51-38 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- June 25, 2018
- Submitted
- June 27, 2018
- Operation
- Air carrier
- Aircraft
- N135NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6520
- Aircraft time
- 10,609 hours, 4,026 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- BAT0000
- Part serial
- 791011
- Condition
- Faulted
- 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.