What was found
PILOT DISCOVERED ON PREFLIGHT, RT MAIN INNER GEAR DOOR HANGING OPEN. UPON FURTHER INVESTIGATION, MECHANIC DISCOVERED RT GEAR IDLER BELLCRANK TO INNER GEAR DOOR BROKEN. INSTALLED A NEW BELLCRANK, CHECKED UP AND DOWN TENSIONS. FOUND INNER GEAR DOOR DOWN LOCK TENSION ABOVE MFG SPECIFICATIONS. FAILURE OF PART POSSIBLY FROM EXCESSIVE TENSION.