What was found
AIRCRAFT WAS NOT GROUNDED: OVERHEAD FLIGHT ATTENDANT REST EMERGENCY LIGHTING BACK UP POWER SUPPLY M33142 DID NOT PASS CAPACITY CHECK. REPLACED POWER SUPPLY BATTERY PACK PER AMM 33-29-12. TEST PASSED.
- Difficulty date
- October 2, 2022
- Submitted
- October 4, 2022
- Operation
- Air carrier
- Aircraft
- N729AN
- Make and model
- Boeing 777323
- Aircraft serial
- 33127
- Aircraft time
- 34,146 hours, 3,987 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701100
- Part serial
- 309322
- 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.