What was found
DURING ROUTINE C-CHECK INSP FOUND NR 1 ENG THRUST REVERSER SUPPORT FRAME CRACKED AT STA YN 202.000 . REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED DAMAGED AREA. FABRICATED FRAME SEGMENT. CLEANED, TREATED, PRIMED AREA AND REPAIRED PARTS. INSTALLED NEW FASTENERS AND REPAIR PARTS IAW FAA FORM 8110-3, DATED 03-31-11, DWG ED-5340 DATED 03-03-11, CFM-56 MANUAL, DPS 4.710 REV "L", SRM 51-1-4, DPS 3.69-4 REV, SRM 51-1-20D, AND SRM 51-3-1.