What was found
WHILE ACCOMPLISHING A16 CHECK TASK CARD 33C20033002 - 'BATT FAULT' MESSAGE WAS RECIEVED FOR THE 4L DOOR EMERGENCY POWER SUPPLY UNIT. REPLACED 4L DOOR EMERGENCY POWER SUPPLY UNIT BATTERY PER AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE ACCOMPLISHING A16 CHECK TASK CARD 33C20033002 - 'BATT FAULT' MESSAGE WAS RECIEVED FOR THE 4L DOOR EMERGENCY POWER SUPPLY UNIT. REPLACED 4L DOOR EMERGENCY POWER SUPPLY UNIT BATTERY PER AMM 33-51-38.