As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AFT UPPER CAMLOCK LATCH WAS BROKEN. THE SHAFT ROTATED PROPERLY AS THE DOOR HANDLE WAS ROTATED TO THE LOCK POSITION, BUT APPROXIMATELY HALF OF THE LIP OF THE CAMLOCK WAS MISSING MAKING IT UNABLE TO CAPTURE THE LATCH POST. TOTAL TIME ON PART UNKNOWN.