What was found
DURING "C-CHECK", PREVIOUSLY TIME LIMITED REPAIRED LOWER LOBE FRAME AND FAIL SAFE CHORD WERE FOUND TO HAVE ADDITIONAL DAMAGE. THE REMOVED SECTIONS OF FRAME WEB 65B04315-22 AND FAIL SAFE CHORD 65B04315-1, WERE REPLACED WITH IDENTICAL SECTIONS. THE SPLICED JOINT AREAS OF FRAME WEB AND THE FAIL SAFE CHORD WERE THEN SECURED INTO THE AIRPLANE USING EXISTING STRUCTURE ALONG WITH REPAIR FILLERS, REPAIR ANGLES, AND REPAIR DOUBLER REPAIR SCHEME NR R-53-62-37010 REV "A". THE PERMANENT REPAIR OF LOWER LOBE FRAME IAW RS NR R-53-62-37010, REV "A" WERE REPORTED IAW SR 1-1839650727 AND APPROVED IAW FAA FORM 8100-9.