As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB THROUGH FL130 A LOUD BANG FOLLOWED BY RT THRUST REVERSER UNLOCK LIGHT, RETURNED TO AIRPORT. FOUND 12 O'CLOCK BALL SCREW ACTUATOR AFT ATTACH POINT FAILED CAUSING TRANSLATING STRUCTURE TO MOVE DOWN AND AFT ENOUGH TO CAUSE OTHER TWO ATTACH POINTS TO FAIL DUE TO AIR LOAD. THIS RESULTED IN ENTIRE TRANSLATING TO MOVE COMPLETELY AFT. THE FOUR BLOCKER DOOR ARMS WERE ALL THAT HELD STRUCTURE ON THE AIRCRAFT. 1 X 3 FT SKIN MISSING AND THE FOUR DIVERTER DOORS WERE MISSING.