What was found
BATTERY PACK M1669 FAILED TO KEEP LIGHTS IT CONTROLS ON FOR MIN 15 MINUTES. REF T/C 78233001. GROUNDED - YES. ACCOMPLISHED DEEP CYCLE OF BATTERY PACKS RETESTED OPS CHECK GOOD LIGHTS STAY ON MINIMUM OF 15 MINUTES REF T/C 78233001.
- Difficulty date
- November 13, 2021
- Submitted
- November 16, 2021
- Operation
- Air carrier
- Aircraft
- N619AS
- Make and model
- Boeing 737790
- Aircraft serial
- 30164
- Aircraft time
- 65,643 hours, 33,014 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.