What was found
EMERGENCY LIGHT BATTERY PACK M1671 FAILS OPERATIONAL CHECK. REMOVED AND INSTALLED NEW BATETERY PACK POS. M1671, OPS CHECK GOOD. IAW AMM 33-51-06-960-805. NO FURTHER ACTION REQUIRED
- Difficulty date
- October 3, 2025
- Submitted
- October 6, 2025
- Operation
- Air carrier
- Aircraft
- N77525
- Make and model
- Boeing 737824
- Aircraft serial
- 31659
- Aircraft time
- 47,407 hours, 16,954 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.