What was found
R4 DOOR AFT EMERGENCY LIGHT DIM. PERFORMED WIRING CHECK AND FOUND M33409 BATTERY MALFUNCTION REPLACED M33409 BATTERY AND INSTALLATION TE ST PASS,AS PER SSM 33-51-15 REV 91,AMM 33-51-06-960-802 REV 104.
- Difficulty date
- May 16, 2025
- Submitted
- May 19, 2025
- Operation
- Air carrier
- Aircraft
- N768UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26919
- Aircraft time
- 105,215 hours, 19,691 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Condition
- Discharged
- 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.