What was found
DURING RETURN TO SERVICE CHECK, EPSU BATTERY AT 12WL FAILED TEST. REMOVED AND REPLACED EPSU BATT (12WL) R3 DOOR, IAW AMM 33-51-38. OPERATIONS CHECK GOOD.
- Difficulty date
- December 15, 2020
- Submitted
- December 22, 2020
- Operation
- Air carrier
- Aircraft
- N942JB
- Make and model
- Airbus A321231
- Aircraft serial
- 6279
- Aircraft time
- 24,125 hours, 4,641 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 811077
- Condition
- Failed
- Location
- Emergency Lights
- Part time
- 8,770 hours, 3,234 cycles
- 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.