What was found
PASSING FL 330 IN THE CLIMB MAIN DECK DOOR LIGHT ILLUMINATED. CABIN BEGAN TO DEPRESSURIZE. PASSING FL 190 IN THE DESCENT DOOR INDICATED NORMAL. ALL CABIN DOORS, OPENED AND INSPECTED MAIN CARGO DOOR SEALS, FOUND OK. CLOSED INDICATOR LIGHTS OK. NO DAMAGE FOUND. PRESSURIZED A/C TO .2 DIFFERENTIAL. NO DOOR WARNING INDICATION.