What was found
FLOOR PANEL 60A UNDERSIDE SUPPORTS ARE CRACKED AT EDGES. REMOVED UNDERSIDE SUPPORTS CRACKED ON FLOOR PANEL 60A IAW DC9 SRM 51-30-2, PG 28. HAT CHANNELS FOUND TO BE OUT OF LIMITS. OK TO FABRICATE IAW NWA DC9 SRM 53-05, PG 9. HAT CHANNELS IAW NWA DC9 SRM 51-10-1. FABRICATED TREATED, PRIMED, IAW NWA DC9 SRM 51-10-3. INSTALLED HAT CHANNELS ON FLOOR PANEL WITH RIVETS IAW DC9 SRM 51-30-2, PG 28.