What was found
EMERGENCY LIGHT SYSTEM BATTERY PACK M1671 FAILED CAPACITY CHECK. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1671 S/N 23410 AND OPS CHECK GOOD IAW B737 AMM 33-51-06.
- Difficulty date
- September 29, 2025
- Submitted
- October 3, 2025
- Operation
- Air carrier
- Aircraft
- N562AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35091
- Aircraft time
- 68,203 hours, 20,431 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- 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.