What was found
MAIN CABIN DOOR, DURING LAST 1/3 OF TRAVEL DURING EXTENSION, MAKES A WHIRRING OR GRINDING SOUND BEFORE FULLY EXTENDING. CLEANED AND LUBRICATED HINGES. OPS CHECK GOOD. IAW AMM 12-20-40.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MAIN CABIN DOOR, DURING LAST 1/3 OF TRAVEL DURING EXTENSION, MAKES A WHIRRING OR GRINDING SOUND BEFORE FULLY EXTENDING. CLEANED AND LUBRICATED HINGES. OPS CHECK GOOD. IAW AMM 12-20-40.