What was found
SUPPORT TASK - DR R4 EMER LIGHT BATTERY M33408 TEST FAIL. TRANSFER REF.NON-ROUTINE HX NRC WO.2839520. DR R4 EMER LIGHT BATTERY M33408 REPLACED AND TESTED NORMAL AS PER AMM 33-51-06.
- Difficulty date
- February 5, 2024
- Submitted
- February 5, 2024
- Operation
- Air carrier
- Aircraft
- N786UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26938
- Aircraft time
- 104,608 hours, 14,209 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- ADD71701100
- Condition
- Failed
- 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.