As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PSM FOUND EMERGENCY EXIT SIGN NEXT TO ENTRY DOOR NOT ILLUMINATING FIM 33-51 FT 805 REV. 149 FOLLOWED, PRESSED TEST BUTTON ON BATTERY PACK, NO LIGHTS ILLUMINATING. BATTERY PACK REPLACED IAW AMM 33-51-07/201 REV, 149 AND EMERGENCY LIGHTS TESTED SATISFACTORY