What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY BATTERY PACK FAILED CAPACITY CHECK LEFT CEILING LIGHTS ROWS 7-15. REMOVED AND REPLACED BATTERY PACK M33099 LOCATED AT L2 DOOR PER BOEING AMM 33-51-06-802. OPERATIONS CHECKS GOOD.
- Difficulty date
- March 5, 2022
- Submitted
- March 9, 2022
- Operation
- Air carrier
- Aircraft
- N790AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30251
- Aircraft time
- 80,746 hours, 10,476 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Part serial
- 166716
- Condition
- Failed
- 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.