What was found
EMERGENCY BATTERY PACKS M1674 & M1694 FAIL CAPACITANCE CHECK. GROUNDED-YES. REMOVED AND REPLACED M1674 & M1694 ASSEMBLIES. OPERATIONS CHECK GOOD, B737-800 AMM 33-51-06 & 33-51-00.
- Difficulty date
- October 19, 2020
- Submitted
- November 11, 2020
- Operation
- Air carrier
- Aircraft
- N589AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35686
- Aircraft time
- 47,149 hours, 14,038 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.