What was found
FOUND AFT F/A EMERGENCY LIGHT SWITCH IN THE "ON" POSITION. GROUNDED - YES. CHARGED BATTERY PACKS REF AMM 33-51-06 FOUND BATTERY PACK M1670 DEAD. REPLACED M1670 BATTERY PACK. EMERGENCY LIGHTS OPS NORMAL REF FIM 33-50 TASK 801.
- Difficulty date
- January 7, 2025
- Submitted
- January 8, 2025
- Operation
- Air carrier
- Aircraft
- N434AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 61620
- Aircraft time
- 32,586 hours, 10,051 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71702001
- Condition
- Discharged
- Location
- Main 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.