What was found
CORROSION ON FLOOR SILL STRAP P/N 601R31025-29 AT FS559 AND LBL28.00". ***AIRCRAFT REMOVED FROM SERVICE*** REPLACED FLOOR SILL STRAP WITH A NEW FABRICATED STRAP P/N 601R31025-29 AT FS559 AND LBL28.00. RESTORED PROTECTIVE FINISH. ALL WORK WITHIN LIMITS WAS PERFORMED IAW CRJ200 SRM 51-24-16, SRM 51-42-06, SRM 51-45-00, SRM 51-21-11, SRM 51-25-06, SRM 5151-25-01, ALL AT REV 38.