As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ROC - MAINTENANCE FOUND THE EXIT SIGNS IN THE CENTER CABIN, LEFT OVERWING HATCHES AND 4 SEAT ROWS OF LOW LEVEL LIGHTS FAIL AFTER APPROXIMATELY ONE MINUTE OF OPERATION. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK IN POWER SUPPLY M1134. OPERATIONAL CHECK GOOD. (M)