What was found
AIRCRAFT IN BASE MAINTENANCE: L1 DOOR AREA EMERGENCY LIGHTING POWER SUPPLY M33093 BATTERY PACK FAILS OPERATIONAL CHECK. REPLACED BATTERY PACK AND ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-06.
- Difficulty date
- November 11, 2023
- Submitted
- November 20, 2023
- Operation
- Air carrier
- Aircraft
- N730AN
- Make and model
- Boeing 777323ER
- Aircraft serial
- 31554
- Aircraft time
- 37,815 hours, 4,408 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Condition
- No Test
- Location
- Zone 200 - Fuse
- 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.