What was found
LOUD NOISE FROM PAX DOOR 2ND ATTEMPT. PERFORMED ZONAL INSPECTION & OPERATIONS CHECK OF PAX DOOR IAW AMM 52-11-00. PRESSURIZED ACFT FOR MX IAW AMM 21-31-00. PERFORMED INSPECTION OF ACFT & FOUND TO BE SAFE FOR A ONE TIME FERRY FLIGHT. INSPECTION FOUND THE EIGHT VENT HOLES NOT TO BE OILED. PERFORMED VENT HOLES OILED IAW AMM 52-11-07. COMPLIED WITH LEAK TEST OF PRESS IAW AMM 52-00-00 & 21-31-00, NO DEFECTS NOTED.