What was found
CARGO LIGHT IN CLIMB OUT THE EICAS BULK CARGO DOOR. QRH COMPLETED. RTB KMIA , AIRCRAFT RETURNED TO FEILD AND GATE AND MTX GROUNDED A/C . T/S PERFORMED PSEU BITE TEST FIM 32-09 FT 803 SHOWED BULK DOOR TARGET FAR .INSPECTED BULK DOOR FOUND CLOSING INTERIOR HANDLER NOT TO THE FULLY CLOSED, CHECKED MECHANISM FOUND NO ISSUES, SECURED CLOSED CONTINUED .ON ITEM 3 LP 39364-30/3 SECURED CLOSED MANY TIME FROM OUTSIDE NO ISSUE FOUND , DOOR OPERATED NORMAL FROM OUTSIDE AND INSIDE OPERATION PER AMM 52-36-01.MTX RETURNED A/C TO SERVICE.