What was found
STRINGER 3L IS CRACKED JUST AFT OF FS 280 APPROXIMATELY 1"L. REMOVED CRACKED ANGLES AT STR 3L FS 280. LOCATED, DRILLED & INSTALLED NEW PARTS IAW SRM 51-40-11 & 51-42-06, PN 600-31057-19, PO W29151, PN 600-31057-20, PO W28468. INSTALLED NEW DRILLED STR 3L ANGLES AT FS 280 IAW EO 601R31057 SNIEO S02. INSTALLED NEW ANGLES 600-31057-19 & 600-31057-20 IAW SNIEO 601R31057 S02.