What was found
CABIN OVERHEAD L1 DOOR EMERGENCY LIGHT BATTERY PACK, CAPACITY CHK FAILED. THE BATTERY PACK (M33093) WAS REPLACED & TESTED NORMAL IAW AMM 33-51-06.
- Difficulty date
- March 17, 2026
- Submitted
- March 18, 2026
- Operation
- Air carrier
- Aircraft
- N74007
- Make and model
- Boeing 777224
- Aircraft serial
- 29477
- Aircraft time
- 122,827 hours, 12,618 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.