As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE C CHECK INSPECTION, A CRACK WAS DISCOVERED IN THE # 3 ENGINE INBOARD THRUST REVERSER HALF BLOCKER DOOR SUPPORT RING AT THE 11 O'CLOCK POSITION. REPAIR ACCOMPLISHED REMOVAL STOP DRILLED CRACK FABRICATION AND INSTALLATION OF REPAIR ANGLE IN ACCORDANCE WITH DOUGLAS STRUCTURAL REPAIR MANUAL AND DRAWING R74-R03.