What was found
MAIN DOOR: WHEN ATTEMPTING TO CLOSE MAIN CABIN DOOR FROM OUTSIDE, THE OUTSIDE MAIN DOOR HANDLE WILL NOT GO FLUSH WITH THE DOOR( ABOUT A 2" GAP). DOOR SEEMS SECURE IN CLOSED POSITION. // SIGNOFF// NOTED MAIN DOOR LATCH POSITION WHEN APPROACHING AIRCRAFT. TOOK PICS TO CONFIRM LATCH WAS OUT. OPENED DOOR, INSP LATCH MECHANISM AND LOCK TUMBLER AND HARDWARE FOR LOOSENESS WITH NO DEFECTS NOTED. PERFORMED COUNTLESS OPS CHECKS BOTH INSIDE AND OUTSIDE AIRCRAFT WITH OPS CHECKS GOOD AND NO DEFECTS NOTED. HAD OBSERVER WATCH WHEN DOOR WAS CLOSED FROM INSIDE CABIN - NO DEFECTS NOTED, INSPECTED DOOR LOCKING PINS, ENGAGEMENT WINDOW INDICATORS AND FOUND THEM TO BE WELL LUBRICATED AND OPERATING SMOOTHLY AND NORMAL.TRIED MANIPULATING LATCH BY ATTEMPTING TO CLOSE IT PREMATURELY AND IT STILL LATCHED NORMAL AND FLUSH, CAN NOT DUPLICATE DISCREPANCY AT THIS TIME, REF: CE-680A AMM 51·10-00