What was found
CABIN R4 DOOR EMERGENCY LIGHT EXIT SIGN FAILED TO OPERATION REF HAECO NON-ROUTINE NO.:9474029, CABIN R4 DOOR EMERGENCY LIGHT BATTERY M33408 REPLACED AND INSTALLATION TEST PERFORMED AND RESULT NORMA L AS PER AMM 33-51-06-960-802 REV99
- Difficulty date
- December 14, 2023
- Submitted
- December 15, 2023
- Operation
- Air carrier
- Aircraft
- N794UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26953
- Aircraft time
- 104,721 hours, 13,866 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- ADD1701100
- Part serial
- 205723
- Condition
- Failed
- Location
- M33408
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.