As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOLLOWING ENGINE CHANGE, MX FOUND DURING A CHECK OF THE ACFT THAT THE EMERGENCY LIGHTING IN CABIN CEILING, BETWEEN STA 640 - 700, WOULD GO OUT AFTER 10 SECONDS OF OPERATION. MX RE & R THE BATTERY PACK ASSY IAW MM 33-53-00. THE SYS THEN OPS CHECKED GOOD. MX REPORTS THAT THE ACFT HAS BEEN DOWN FOR ENGINE CHANGE SINCE OCTOBER 1.