What was found
BATTERY PACK, M33408, ABOVE 4R DOOR REPLACEMENT REQUIRED DUE TO 15 MINS BATTERY TEST FAILURE. REPLACED THE BATTERY PACK IAW AMM 33-51-06-960-802. OPS CHECKED GOOD.
- Difficulty date
- November 7, 2025
- Submitted
- November 10, 2025
- Operation
- Air carrier
- Aircraft
- N778UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26940
- Aircraft time
- 106,422 hours, 19,353 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Condition
- No Test
- Location
- Zone 200
- 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.