What was found
MULTIPLE EMERGENCY LIGHTS IN THE CABIN AND ON THE OUTSIDE OF THE PLANE ARE INOP. GROUNDED - YES. REMOVED + REPLACED BATTERY PACKS M1672, M1673, M2816, M1675, AND M1671, OPS TEST CHECKS GOOD IAW B737MAX AMM 33-51-06 + 33-51-00.
- Difficulty date
- July 6, 2025
- Submitted
- July 10, 2025
- Operation
- Air carrier
- Aircraft
- N979AK
- Make and model
- Boeing 7379
- Aircraft serial
- 43393
- Aircraft time
- 10,902 hours, 3,251 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701100
- Condition
- Inoperative
- Location
- Zone 200
- 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.