What was found
B777-33-3-7019 DR R4 EMER LIGHT BATTERY M33409 TEST FAIL. DR R4 EMER LIGHT BATTERY M33409 REPLACED AND TESTED NORMAL AS PER AMM 33-51-06.
- Difficulty date
- May 15, 2023
- Submitted
- May 17, 2023
- Operation
- Air carrier
- Aircraft
- N780UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26944
- Aircraft time
- 96,528 hours, 17,207 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- ADD71701100
- Condition
- No Test
- Location
- R4 M33409
- 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.