What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY BACKUP BATTERY M33118 FAILS TO HOLD CHARGE FOR OVERHEAD FLIGHT CREW REST LIGHTING. REPLACED POWER SUPPLY (AALA202203074288) AND BATTERY PACK (M33118) PER AMM 33-29-10.
- Difficulty date
- March 1, 2022
- Submitted
- March 7, 2022
- Operation
- Air carrier
- Aircraft
- N717AN
- Make and model
- Boeing 777323ER
- Aircraft serial
- 31543
- Aircraft time
- 34,681 hours, 4,122 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- 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.