What was found
EMERGENCY LIGHT SYSTEM BATTERY PACK (M1675) FAILED CAPACITY CHECK. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY BATTERY PACK POWER SUPPLY IAW B737 AMM 33-51-06. OPS CHECKS GOOD.
- Difficulty date
- February 12, 2023
- Submitted
- February 28, 2023
- Operation
- Air carrier
- Aircraft
- N459AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36352
- Aircraft time
- 33,286 hours, 10,473 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- None
- Location
- Main Passenger C
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.