What was found
FLT 5375, DURING FLIGHT, FA INFORMED US ABOUT "HUMMING" NOISE FROM SERVICE DOOR. WHEN ON THE GROUND WE TRIED TO OPEN THE DOOR TO SEE THE PROBLEM AND IT IS VERY HARD TO OPEN.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 5375, DURING FLIGHT, FA INFORMED US ABOUT "HUMMING" NOISE FROM SERVICE DOOR. WHEN ON THE GROUND WE TRIED TO OPEN THE DOOR TO SEE THE PROBLEM AND IT IS VERY HARD TO OPEN.