As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT GOING THRU 7000 FEET, RECEIVED PAX DOOR OUT HANDLE CAUTION MESSAGE. PERFORMED OPERATIONAL CHECK OF PASSENGER DOOR IAW CRJ MM 52-70-04. PERFORMED PSEU BITE CHECK OF DOOR IAW CRJ MM 32-80-00. NO PROBLEMS NOTED. CLEANED DOOR SWITCHES.