What was found
AIRCRAFT WAS GROUNDED. L3 OVERWING BACK UP BATTERY FAILED. REPLACED BATTERY, PER AMM 52-12-24.
- Difficulty date
- October 29, 2020
- Submitted
- October 30, 2020
- Operation
- Air carrier
- Aircraft
- N717AN
- Make and model
- Boeing 777323ER
- Aircraft serial
- 31543
- Aircraft time
- 30,406 hours, 3,451 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Failed
- Location
- Lt Overwing
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.