What was found
(CAN) AN OPERATOR EXPERIENCED A RAPID DECOMPRESSION AT 22000FT, CAUSING AN EMERGENCY DESCENT WITH AT LEAST ONE PASSENGER THAT LOST CONSCIOUSNESS. MAINTENANCE FOUND A BLOWN DUCT IN THE ECS COMPARTMENT P/N AP500219-101 THE DUCT IS DAMAGED AND WILL REQUIRE REPLACEMENT. OPERATOR STATED THAT THE DUCT BLEW AT THE SEAM (GLUED EDGES). REF. IPC 21-22-16-01-065. ALSO THE FIRST TWO OVERHEAD BINS ON THE RT SIDE ALSO RECEIVED COSMETIC DAMAGE, THE LAMINATE DEBONDED FROM THE BIN.