What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY POWER ASSIST SYSTEM BATTERY PACK ASSEMBLY M52123 FAILED OPERATIONALTEST. REPLACED BATTERY PACK PER AMM 52-12-19.
- Difficulty date
- September 24, 2019
- Submitted
- September 25, 2019
- Operation
- Air carrier
- Aircraft
- N724AN
- Make and model
- Boeing 777323ER
- Aircraft serial
- 31548
- Aircraft time
- 27,269 hours, 3,050 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- BPA5105
- Condition
- Failed
- Location
- Cabin
- 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.