As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5145 - PAX DOOR OUTER HANDLE CAUTION MESSAGE DURING FLIGHT. DIVERTED TO BTV. LANDED WITHOUT INCIDENT. FOUND DOOR SENSORS D113 AND D117 BOTH SHOWED INCORRECT POSITION 8 LEGS PRIOR WITH NO ABNORMAL INDICATIONS SINCE. PERFORMED OPS TEST OF PAX DOOR WARNING SYSTEM SEVERAL TIMES. NO FAILURES NOTED.