What was found
B777-33-3-7019, DR 4R EMER LIGHT BATTERY PACK M33409 CAPACITY CHECK FAILED. TRANSFER HX WO.2449344 AND DR R4 M33409 EMER LIGHT BATTERY AND BATTERY HCARGER REPLACED AND TESTED NORMAL AS PER AMM33-51-06.
- Difficulty date
- December 4, 2023
- Submitted
- December 5, 2023
- Operation
- Air carrier
- Aircraft
- N782UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26948
- Aircraft time
- 106,718 hours, 14,165 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Part serial
- 215414
- Condition
- Failed
- Location
- R4 M33409
- 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.