What was found
AIRCRAFT NOT GROUNDED: MAINTENANCE REPORTS EMERGENCY POWER SUPPLY UNIT 13WL BATTERY FAILED BITE TEST. REMOVED AND REPLACED BATTERY AT LOCATION 13WL EMERGENCY POWER SUPPLY UNIT IN REFERENCE WITH AMM 33-51-38. BITE TEST OK.
- Difficulty date
- October 4, 2019
- Submitted
- October 8, 2019
- Operation
- Air carrier
- Aircraft
- N151AN
- Make and model
- Airbus A321231
- Aircraft serial
- 6840
- Aircraft time
- 12,729 hours, 4,894 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 804151
- Condition
- No Test
- Location
- Emergency Lights
- 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.