As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS-PQI - FLT 4720 - DURING FLIGHT, CREW NOTED THAT THE STABILIZER DE-ICER BOOT STATUS LIGHT WAS ON. CREW RETURNED TO BOS AND LANDED WITHOUT INCIDENT. MAINTENANCE WAS UNABLE TO DUPLICATE THE PROBLEM AFTER SEVERAL SYSTEM CHECKS. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)