What was found
FLOOR SILL AT FS559+14 RBL42 BLEND AREA P3 ON RH FLOOR SILL AT FS559+14 RBL42 OUT OF LIMITS. REMOVED AND REPLACED INTERCOSTAL P/N 601R38842-3 AT FS559.00 TO FS559+16 RBL42. ALL WORK WAS PERFORMED IAW SRM 51-42-06 REV 39, CRJ200 SRM 51-40-20 REV 39. ALL WORK PERFORMED UNDER AERSALE WORK ORDER 004393, CARD NO. 20163, TT: 44,686:36 TC: 42,772. AIRCRAFT REMOVED FROM SERVICE 20163 327672 453-170-500 Ï¿½ 74.45MHRS FLOOR SILL AT FS559+14 RBL42 BLEND AREA P3 ON RH FLOOR SILL AT FS559+14 RBL42 OUT OF LIMITS. REMOVED AND REPLACED INTERCOSTAL AT FS559.00 TO FS559+16 RBL42. ALL WORK WAS PERFORMED IAW SRM 51-42-06 REV 39, SRM 51-40-20 REV 39.