As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON POST FLIGHT INSPECTION FOUND THAT L1 SLIDE EMER LIGHT & L1 DOOR OVERHEAD EMER EXIT LIGHTS ARE INOPERATIVE AMM. TROUBLE SHOT SYS, FOUND THAT BATTERY PACK WAS NOT SECURED TO THE M731 POWER SUPPLY CAUSING CONNECTION TO BE LOST. REATTACHED & POSITIVELY SECURED BATTERY PACK. ALL EMER LIGHTS OPERATIONS CHECKED NORMAL. WORK ACCOMPLISHED IAW MM.