What was found
EN ROUTE TO UTICA, NY, AIRCRAFT WAS 17,000 FT WHEN DOOR SEAL STARTED LEAKING (APPROX 2000 TO 3000 FEET CABIN ASCENT). AIRCRAFT DESCENDED TO 10,000 FEET AND WAS ABLE TO MAINTAIN 3000 FEET CABIN ALTITUDE. AFTER LANDING INSPECTION SHOWED DOOR SEAL WAS DISLODGED AT UPPER RT CORNER. DOOR SEAL WAS RESECURED AND AIRCRAFT WAS RETURNED TO SERVICE.