What was found
AIRCRAFT WAS NOT GROUNDED: LEFT-HAND AFT EMERGENCY POWER SUPPLY UNIT MAINTENANCE MESSAGE. REPLACED AFT 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.
AIRCRAFT WAS NOT GROUNDED: LEFT-HAND AFT EMERGENCY POWER SUPPLY UNIT MAINTENANCE MESSAGE. REPLACED AFT EMERGENCY POWER SUPPLY UNIT BATTERY PER AMM 33-51-38.