What was found
DURING ROUTINE C-CHECK FOUND FRAME CRACKED AT STATION 1580 LONGERON 21 RIGHT. REMOVED FASTENER AS NEEDED TO REMOVE DAMAGED FRAME SECTION. FABRICATED REPAIR PARTS, LOCATED, TRIMMED, DEBURRED, TREATED, PRIMED, INSTALLED REPAIR PARTS AND NEW FASTENERS AT STATION 1580 LONGERON 21 RIGHT IAW DC8 SRM 53-2-0, 51-1-20D, AND 51-1-21.