What was found
EMERGENCY LIGHT SYSTEM BATTERY PACK (M1673) FAILED CAPACITY CHECK. GROUNDED - YES. REMOVED AND REPLACED EMER LIGHT POWER SUPPLY (M1673) IAW B737NG AMM 33-51-06-960-806.OPS CHECK GOOD.
- Difficulty date
- May 25, 2023
- Submitted
- May 31, 2023
- Operation
- Air carrier
- Aircraft
- N537AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35204
- Aircraft time
- 41,376 hours, 11,986 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Failed
- Location
- Emergency Lights
- 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.