What was found
M1694 AND M1670 EMERGENCY BATTERY PACKS FAILED CHARGING CAPACITY GROUNDED - YES. REMOVED, REPLACED AND PERFORMED SUCCESSFUL SYSTEM OP CHECK ON EMERGENCY BATTERY PACKS M1694 AND M1670 IAW B737NG AMM 33-51-06-960-805.
- Difficulty date
- December 18, 2019
- Submitted
- December 20, 2019
- Operation
- Air carrier
- Aircraft
- N557AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 51,748 hours, 15,107 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701100
- 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.