What was found
AIRCRAFT WAS NOT GROUNDED. FOUND FAULT ON EMERGENCY POWER SUPPLY UNIT. REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY AT MID CABIN PER AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED. FOUND FAULT ON EMERGENCY POWER SUPPLY UNIT. REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY AT MID CABIN PER AMM 33-51-38.