What was found
NR 4 ENG RT THRUST REVERSER STRUCTURAL FWD FRAME HAS WEAR DAMAGE AT STA YN 202.000 BETWEEN 5 AND 6 O'CLOCK POS PERFORMED MAJOR REPAIR IAW FAA FORM 8110-3 DATED 02-11-11, EVA D878-00389 REV IR DATED 01-31-11, SMN DWG ED-5311 DATED 01-25-11. REMOVED FASTENERS IAW SRM 51-1-21, SRM 51-3-0. CUT OUT DAMAGED AREA & FABRICATED FRAME SEGMENT IAW SMN DWG ED-5311. PERFORMED VISUAL INSPECTION & NDT INSPECTED CUT OUT AREA & FRAME SEGMENT IAW NDT SPM PART 09, NDT SPM PART 06-10-01-001. NO CRACK OR CORROSION FOUND. CLEANED, TREATED AND PRIMED AREA & FRAME SEGMENT IAW SRM 51-1-8B, DPS 9.45. INSTALLED FRAME SEGMENT IAW SMN DWG ED-5311, SRM 51-1-11, SRM 51-1-21, SRM 51-3-0, SRM 51-1-20D, SRM 51-3-1.