As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS - FLT 4482 - AFTER LANDING GEAR WAS SELECTED DOWN FOR LANDING AT BOS, THE HYDRAULIC QUANTITY INDICATOR WENT TO ZERO AND THE HYDRAULIC WARNING ILLUMINATED. THE AIRCRAFT LANDED WITH FLAPS UP WITHOUT INCIDENT. MAINTENANCE FOUND THE NOSE GEAR RETRACT ACTUATOR HYDRAULIC LINE RUPTURED. LINE WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE. (M)