As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY OVERWING EXIT SIGN ON THE RIGHT SIDE AT ROW 12 AND THE EMERGENCY PATHWAY LIGHTS AT ROWS 14, 15, 16, AND 17 WERE ALL FOUND TO BE INOPERATIVE. THE BATTERY PACK (09-3300-4-0122) AND POWER SUPPLY (09-3300-4-0123) WERE BOTH REPLACED. ALSO MAINTENANCE FOUND AND REPAIRED A DAMAGED WIRE AT ROW 14. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT HAS RETURNED TO SERVICE.