What was found
ATB-LOUD HISSING SOUND FROM CREW ENTRY DOOR PASSING 16000, NO CHANGE AT FL 230. UPON INVESTIGATION, SOUND WAS COMING FROM LOWER PART OF DOOR WITH DAYLIGHT VISIBLE. ATB REQUIRED. REMOVED CREW ENTRY DOOR, REMOVED AND REPLACED TORN ENTRY DOOR PRESSURE SEAL IAW AMM 52-09-01. REINSTALLED ORIGINAL ENTRY DOOR IAW AMM 52-12-01. NOTE: RIG NOT DISTURBED.