What was found
CLEVIS ADAPTER AT FR21 BETWEEN SEAT TRACKS 3L AND 4L HAS .25 IN CRACK ON FWD FLANGE AND 1". CRACK ON AFT FLANGE. REMOVED CLEVIS ADAPTER IAW FSRM 51-72-10, PARA 5. LOCATED, DRILLED, AND INSTALLED NEW CLEVIS ADAPTER AT FR21 BETWEEN SEAT TRACKS 3L AND 4L IAW FSRM 51-72-10, PARA 6.