What was found
AIRCRAFT IN BASE MAINTENANCE: OVERHEAD FLIGHT CREW REST BACKUP LIGHTING BATTERY PACK M33118 FAILS TO HOLD CHARGE. REMOVED, REPLACED AND PERFORMED OPERATIONAL TEST OF LIGHTING BATTERY PACK M33118 PER AMM 33-51-06-960-803.
- Difficulty date
- March 22, 2022
- Submitted
- March 28, 2022
- Operation
- Air carrier
- Aircraft
- N718AN
- Make and model
- Boeing 777323ER
- Aircraft serial
- 41665
- Aircraft time
- 32,771 hours, 3,835 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Inoperative
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.