What was found
DURING MAINTENANCE BASE VISIT FOUND THE LEFT AND RIGHT FRAME 280 CROSS BEAM CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED, FABRICATED AND INSTALLED SERVICABLE FS 280 BEAM IAW CRJ 700 SRM 51-42-06, 51-42-13, 51-42-21, AN EO CR-53MR-219. THE AIRCRAFT WAS RETURNED TO SERVICE.