- Difficulty date
- December 12, 2025
- Submitted
- December 15, 2025
- Operation
- Air carrier
- Make and model
- Boeing 7379
- Aircraft serial
- 64501
- Aircraft time
- 16,351 hours, 5,399 cycles
- Part
- Battery Pack
- Part number
- D71701100
- Condition
- Failed
- 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.
What was found
PASSENGER CABIN CENTER FWD L/H EMERGENCY BATTERY PACK M1675 LIGTHING IS DETERIORATED. REMOVED POWER SUPPLY BATTERY PACK M1675 IAW B737 AMM 33-51-06-96 0-802 STEP 4-D-(5) AND REPLACED BATTERY PACK M1675, OP TEST GOOD IAW B737 AMM 33-51-06-960-802 STEPS 4-D-(6) AND 4-D-(7)