What was found
SQUEALING NOISE FROM MAIN ENTRY DOOR WHEN PRESSURIZED. TIGHTENED MOUNTING HARDWARE FOR LOCKING SHAFT BLOCK, NOTED SLIGHT CHANGE IN SQUEALING SOUND IAW AMM 52-11-21.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SQUEALING NOISE FROM MAIN ENTRY DOOR WHEN PRESSURIZED. TIGHTENED MOUNTING HARDWARE FOR LOCKING SHAFT BLOCK, NOTED SLIGHT CHANGE IN SQUEALING SOUND IAW AMM 52-11-21.