What was found
ALL LIGHTS ON L-1 DOOR BATTERY PACK FAILED DURING CAPACITY FUNCTIONAL CHECK. GROUNDED - YES. REMOVED AND INSTALLED SERVIEABLE L-1 BATTERY PACK, OPS CHECK GOOD IAW B737-MAX9 AMM 33-51-06-960-802.
- Difficulty date
- February 17, 2024
- Submitted
- February 26, 2024
- Operation
- Air carrier
- Aircraft
- N976AK
- Make and model
- Boeing 7379
- Aircraft serial
- 64967
- Aircraft time
- 6,605 hours, 1,887 cycles
- Engine
- Cfmint LEAP1B28
- 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.