As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CREW REPORTED ENROUTE AFTER FLYING AT FL 390 FOR 20 MINUTES WE RECEIVED CAUTION MESSAGE, FLAPS FAIL, IT NEVER WENT AWAY. ACFT DID A ZERO FLAPS LANDING. MAINTENANCE CLEARED FLAPS INHIBITS THROUGH THE MDC AND PERFORMED AN OPS CHECK OF THE FLAPS IAW AMM 27-50-00 FLAPS OPERATE NORMALLY. ACFT WAS RETURNED TO SERVICE.