As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING "C" CHECK, SIX CRACKS WERE FOUND INTHE ENGINE SUPPORT BEAM. TWO CRACKS WERE LOCATED ON THE LOWER WEB AT FS 640.0 BETWEEN LBL 9.5 AND RBL 9.5. FOUR CRACKS WERE LOCATED ON THE UPPER WEB AT FS 640 BETWEEN LBL 9.5 REPAIR PERFORMED PER REO 601R-53-61-345.