As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERG LIGHT: ALL THREE EXIT SIGNS DO NOT ILLUMINATE WITH EMER LIGHT SWITCH ON OR PASS SAFETY SWITCH ON. CHECKED CONNECTORS FOR PROPER FITMENT, FOUND THAT THE AFT ENTRY DOOR SHROUD EXIT SIGN WAS NOT PROPERLY SEATED. RESEATED THE CONNECTOR ON THE AFT ENTRY DOOR SHROUD . NO PARTS REQUIRED. FT ON ALL THREE EXIT SIGNS ARE GOOD AT THIS TIME. WORK PERFORMED IAW C560XL SPM 20-30-20.