As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT (PHL TO YOW) THE STALL FAIL CAUTION MESSAGE ILLUMINATED. THE CREW OF FLIGHT 2566 RETURNED TO PHL AND LANDED WITHOUT INCIDENT. PSA MAINTENANCE RESET POWER AND OPERATIONALLY TESTED THE STALL PROTECTION SYSTEM IAW CRJ 200 AMM 27-35-01-750-802. THE STALL SYSTEM TESTED GOOD. THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.