What was found
DR 3L BATTERY PACK (M33406) CAPACITY CHECK FAIL REF HX NR WO.2248786, ORIG BY V920586. DR 3L BATTERY PACK (M33406) REPLACED AND OPERATION TEST RESULT NORMAL IAW AMM 33-51-06. ACCOMPLISHED BY MECH V920586, INSP V898561
- Difficulty date
- September 16, 2023
- Submitted
- September 18, 2023
- Operation
- Air carrier
- Aircraft
- N229UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30557
- Aircraft time
- 84,088 hours, 9,898 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Part serial
- 148598
- Condition
- Failed
- Location
- Dr 3l
- 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.