What was found
AIRCRAFT WAS IN BASE MAINTENANCE: WELS BATTERY INOPERATIVE AT DOOR 3L. MAINTENANCE REPLACED WELS BATTERY AT DOOR 3L IAW AMM 33-51-07.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS IN BASE MAINTENANCE: WELS BATTERY INOPERATIVE AT DOOR 3L. MAINTENANCE REPLACED WELS BATTERY AT DOOR 3L IAW AMM 33-51-07.