What was found
LLAR EMER LIGHT BATTERY TEST FAIL. EMERGENCY LIGHT BATTERY PACK REPLACED DUE TO FAILURE. SDR REPORTABLE. LLAR EMER LIGHT BATTERY REPLACED AND TESTED NORMAL AS PER AMM33-51-06.
- Difficulty date
- March 7, 2026
- Submitted
- March 9, 2026
- Operation
- Air carrier
- Aircraft
- N227UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30555
- Aircraft time
- 93,946 hours, 11,030 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.