What was found
MAIN DOOR: WHEN OPENING MAIN CABIN DOOR IT LOWERS AT AN ABNORMALLY RAPID RATE. WHEN CLOSING THE DOOR, DOOR FEELS ABNORMALLY HEAVY WHEN PULLING IT ONTO THE PRECATCH. INTERNAL TENSION SEEMS NOT TO BE PROPERLY ADJUSTED. CORRECTIVE ACTION; ADJUSTED MED CABLE TENSIONS BETWEEN 210 LBS AND 220 LBS NOT EXCEEDING 220 LBS PER MM. OPERATED DOOR CLOSURE AND OPENING AND FOUND TO BE OPERATING WITH LESS RAPID OPENING AND LESS HEAVY WHEN CLOSING AND GOOD AT THIS TIME IAW C680 MM 52-10-50.