As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT INTO AQW, PASSENGERS AND CREW HEARD A LOUG BANG AND THE PRESSURIZATION BEGAN TO DESCEND QUICKLY. LANDING WAS MADE WITHOUT INCIDENT. INSPECTION REVEALED THE CLEVIS PIN THAT IS THE PIVOT FOR THE UPPER CABIN DOOR LATCH HOOK HAD BROKEN. RAYTHEON HAS ADDED INSPECTION OF THESE PINS IN THE PHASE 3 AND COMPLETE INSPECTION GUIDES. THIS AIRCRAFT IS DUE A PHASE 3 BY AUGUST OF 2000. (X)