As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED, EMERGENCY LIGHTS AT L3 & R3 INOPERATIVE DURING INTERIOR CHECK. REMOVED AND REPLACED EPSU (EMERGENCY POWER SUPPY UNIT) M33406, PER AMM 33-51-06, OPERATIONAL CHECK NORMAL. [SEE SDR# AALA202006249027 FOR ADDITIONAL PARTS REPLACED.]