What was found
DR L4 EMER LIGHT BATTERY M33400 CAPACITY CHECK FAIL. DR L4 EMER LT BATT PACK REPLACED AND OP TEST NORMAL I.A.W AMM 33-51-06.
- Difficulty date
- December 19, 2022
- Submitted
- December 21, 2022
- Operation
- Air carrier
- Aircraft
- N2331U
- Make and model
- Boeing 777300ER
- Aircraft serial
- 62642
- Aircraft time
- 23,883 hours, 2,647 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701100
- Part serial
- 424519
- Condition
- No Test
- Location
- Emergency Lights
- 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.