As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERG LIGHT: RIGHT REAR CABIN LIGHT DID NOT ILLUMINATE AFTER CHARGING FOR 30 MINUTES CORRECTIVE ACTION; C/W TC-FLT-33-1001 CESSNA 680 EMERGENCY LIGHTING POWER SUPPLY BATTERY EXERCISE PROCEDURE. OPS CHECK GOOD IAW CE-680 MM 33-50-00.