As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT AFTER EVERY ENGINE START, THE EMERGENCY LIGHTS IN CABIN ILLUMINATE. ACFT REMOVED FROM SERVICE. R & R EMERGENCY LIGHT POWER SUPPLY BATTERY 62WL IAW JIC 33-51-21, RAI 10010. OPS TESTED SATISFACTORY. ACFT RETURNED TO SERVICE.