As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN DOOR HARD TO OPEN. FOUND PROBLEM TO BE CABIN DOOR SEAL. REMOVED MED SEAL P/N 9914814-1 NSN AND INSTALLED CUSTOMER SUPPLIED NEW SEAL P/N 9914814-1 PERFORMED CABIN LEAK CHECK, LEAK CHECK GOOD AND OPERATIONAL TEST OF DOOR GOOD REF CE 680A AMM 52-10-35.