What was found
EMERGENCY BATTERY PACK FAILED DURING CAPACITY FUNCTIONAL CHECK. GROUNDED - YES. REPLACED BATTER PACK ASSY M1671 REF BOEING AMM TASK 33-51-06-960-805. OP TEST GOOD. NO FURTHER DEFECTS.
- Difficulty date
- March 27, 2024
- Submitted
- March 28, 2024
- Operation
- Air carrier
- Aircraft
- N527AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35694
- Aircraft time
- 47,270 hours, 16,615 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- No Test
- Location
- Emergency Lights
- 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.