As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERG EXIT DOOR SEAL: WHILE SEATED IN THE COCKPIT, WE COULD HEAR A HIGH PITCH SQUEAL COMING FROM THE EMERGENCY DOOR SEAL. CORRECTIVE ACTION; PERFORMED EMERGENCY EXIT DOOR RIGGING PROCEDURE WITH REFERENCE TO CE-680A AM 52-20-00. REPOSITIONED AIRCRAFT OUTSIDE AND PERFORMED OPERATIONAL CH.ECKS AND LEAK CHECKS, OPS AND LEAKS GOOD, AIRCRAFT OK FOR SERVICE NO FURTHER DEFECTS NOTED.