What was found
AIRCRAFT IN BASE MAINTENANCE: BATTERY PACK M1675 IS INOPERATIVE. REMOVED AND REPLACED M1675 BATTERY PACK. PER B737NG AMM 33-51-06.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: BATTERY PACK M1675 IS INOPERATIVE. REMOVED AND REPLACED M1675 BATTERY PACK. PER B737NG AMM 33-51-06.