What was found
EMERGENCY EXIT LIGHT BATTERY PACK M1674 FAILS CAPACITY FUNCTIONAL CHECK FOUND DURING SCHEDULED MAINTENANCE EVENT IN OSCODA. REMOVED AND REINSTALLED SERVICEABLE M1674 BATTERY PACK IAW AMM 33-51-06 NO DEFECTS NOTED
- Difficulty date
- October 13, 2026
- Submitted
- October 14, 2026
- Operation
- Air carrier
- Aircraft
- N325FL
- Make and model
- Boeing 737883
- Aircraft serial
- 28325
- Aircraft time
- 51,240 hours, 35,842 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71702001
- Part serial
- 14784
- 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.