As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAINTENANCE REPORTED THE EMERGENCY LIGHTS WON'T HOLD A CHARGE AT SEAT ROWS 1 TO 4 AND AT AFT CABIN BULLNOSE IN LAST FOUR POSITIONS. EMERGENCY LIGHTS DON'T STAY ILLUMINATED FOR REQUIRED TIME SPAN. MAINTENANCE FOUND AND TIGHTENED LOOSE SCREW ON LOAD SIDE OF EMERGENCY LIGHTS CIRCUIT BREAKER. EMERGENCY LIGHTS NOW STAY ON AND CHARGE AS REQUIRED.