What was found
B777-33-3-7019 DR L4 M33406 EMER LIGHT BATTERY TEST FAIL. TRANSFER REFER NON-ROUTINE WO.1926110. DR L4 M33406 EMER LIGHT REPLACED AND TESTED NORMAL AS PER AMM 33-51-06.
- Difficulty date
- July 11, 2023
- Submitted
- July 12, 2023
- Operation
- Air carrier
- Aircraft
- N2142U
- Make and model
- Boeing 777300ER
- Aircraft serial
- 63722
- Aircraft time
- 25,568 hours, 2,884 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- D71701100
- Part serial
- 433232
- Condition
- Failed
- Location
- Unknown
- 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.