What was found
AIRCRAFT WAS NOT GROUNDED: WHILE ACCOMPLISHING A-16 CHECK, TASK CARD 33C20033002, FOUND EMERGENCY POWER SUPPLY UNIT 18WL BATTERY INOPERATIVE. REPLACED 18WL BATTERY AND ACCOMPLISHED A SATISFACTORY OPS CHECK IAW AMM 33-51-38-80-802-A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: WHILE ACCOMPLISHING A-16 CHECK, TASK CARD 33C20033002, FOUND EMERGENCY POWER SUPPLY UNIT 18WL BATTERY INOPERATIVE. REPLACED 18WL BATTERY AND ACCOMPLISHED A SATISFACTORY OPS CHECK IAW AMM 33-51-38-80-802-A.