As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS - FLT 6313 - ON FLIGHT BOS-PHL, THE STABILIZER DE-ICE BOOT INFLATION LIGHT BECAME INOPERATIVE. DUE TO WEATHER AND ICING THE CREW RETURNED TO BOS AND LANDED WITHOUT INCIDENT. BOS MAINTENANCE REPLACED THE STABILIZER DISTRIBUTION VALVE AND THE AIRCRAFT WAS RETURNED TO SERVICE. (M)