As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT SYSTEM TEST FAULTING EMERGENCY POWER SUPPLY UNIT INT LOAD EMERGENCY RIGHT OFF WING. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATTERIES 10WL AND 13WL (AALA202108238145) PER AMM 33-51-38-400-001-A OPERATIONS CHECK'S NORMAL, REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT POWER SUPPLY UNIT (AALA202108236095) PER AMM 33-51-38-400-001-A.