As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT IN CEILING OF UPPER DECK, JUST AFT OF THE AFT EMERGENCY EXIT SIGN AT THE TOP OF THE STAIRS MOMENTARILY GOES ON THEN GOES OFF AFTER EMERGENCY LIGHT SWITCH IS TURNED ON. BATT WAS REPLACED. INSTALLED LT ASSY AND CHARGED BATT PER AMM 33 -51-07-402-015. OP CHK NORMAL.