What was found
POWER SUPPLY - BATTERY PACK CAPACITY CHECK POWER SUPPLY BATTERY PACK CAPACITY CHECK - EMERGENCY LT BATTERY PACK M1670 FAILS CAPACITANCE CHECK REMOVED AND REPLACED BATTERY PACK M1670 REF MM 33-51-06-960-802 OPS CHK GOOD.
- Difficulty date
- April 20, 2026
- Submitted
- April 22, 2026
- Operation
- Air carrier
- Aircraft
- N17301
- Make and model
- Boeing 7378
- Aircraft serial
- 67554
- Aircraft time
- 11,285 hours, 3,803 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Condition
- No Test
- Location
- Zone 200
- 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.