As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN DOOR IS HARD TO CLOSE. BOTH PISTONS ON EACH SIDE OF THE DOOR HAS DRIED FLUID ON THEM. REMOVED BOTH FORWARD AND AFT FAULTY TELESCOPIC STRUTS AND REPLACED WITH NEW TELESCOPIC STRUTS. PERFORMED SEVERAL OPERATIONAL CHECKS WITH NO DISCREPANCIES TO NOTED AT THIS TIME. REF. AMM 52-11-41.