What was found
MAIN CABIN DOOR HANDLE, BOTH INTERIOR AND EXTERIOR ARE EXTREMELY HARD TO LATCH, TAKES BOTH HANDS. GAINED ACCESS TO AIRCRAFT, CONFIRMED INTERIOR AND EXTERIOR MAIN CABIN DOOR HANDLE DIFFICULT TO SECURE DOOR CLOSED. REMOVED CABIN DOOR STEP, CABIN DOOR INNER SKIN, AND CHECKED TOLERANCES FOR CABIN DOOR LATCH & LOCK SYS RIGGING. TOLERANCES WITHIN LIMITS. AMM 52-10-04 FOUND DOOR PINS TO HAVE BUILDUP OF DEBRIS, CLEANED DEBRIS FROM CABIN DOOR PINS AND LUBRICATED AS REQUIRED. AMM12-20-40 REASSEMBLED MAIN CABIN DOOR TO ORIGINAL CONFIGURATION AND MAIN CABIN DOOR OPS CHECKS GOOD. CABIN DOOR LATCH/LOCK SYSTEM FUNCTIONAL TEST GOOD. NO DEFECTS NOTED AT THIS TIME.