PLT OF A CPR TWIN TURBOPROP ABORTED TKOF AFTER ONE OF THE BAGGAGE DOORS OPENED DURING THE TKOF ROLL. RPTR ADMITS THAT HE FAILED TO CHK DOORS PRIOR TO FLT AFTER PAX HAD LOADED BAGGAGE INTO THE COMPARTMENT.

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AFTER REACHING APPROX 80-90 KTS ON TKOF ROLL; THE L BAGGAGE DOOR CAME OPEN. I ABORTED THE TKOF; TAXIED BACK TO THE RAMP TO CLOSE AND LATCH THE DOOR. NO DAMAGE WAS DONE AND THIS ONLY RESULTED IN AN ABORTED TKOF AND DELAYED DEP; HOWEVER 10-20 KTS LATER AND IT WOULD HAVE BEEN AN INFLT PROB. ON THE MORNING OF THE FLT; I ARRIVED EARLY AND COMPLETED THE PREFLT. I THEN WENT INTO THE FBO TO CHK WX. AS I WAS RETURNING TO THE HANGAR MY PAX CAME IN THROUGH THE HANGAR. HE SAID THE BAGS WERE LOADED SO WE WENT OUT FOR DEP. I DEVIATED FROM MY USUAL PROC IN 2 WAYS: I AM USUALLY AT THE AIRPLANE TO LOAD THE LUGGAGE AND I TRY TO ALWAYS MAKE A FINAL WALKAROUND OF THE AIRPLANE TO CHK LATCHES; FUEL CAPS; PLUGS; AND CHOCKS; BUT THIS TIME WE WENT DIRECTLY TO THE ACFT AND THE LINEMAN PULLED ME OUT FOR DEP. THIS INCIDENT FURTHER EMPHASIZES TO ME THE IMPORTANCE OF FOLLOWING USUAL PROCS; EVEN THOSE THAT ARE OUR OWN HABITS; AND THE IMPORTANCE OF THE PLT'S RESPONSIBILITIES AND AUTH. THE RESPONSIBILITY FOR THIS INCIDENT WAS PURELY MINE FOR NOT FOLLOWING UP ON THE ACTION AND HELP OF OTHERS.