What was found
CORROSION ON CABIN LH SIDE SEAT TRACK PN 20276-288-0-0 AT FS449.85 TO FS499.0. P7 - L= 0.800Ï¿½ X W= 0.400Ï¿½ X D= 0.023Ï¿½, REMAINING THICKNESS 0.077Ï¿½, CENTER OF SEAT TRACK AT FS449.85+2.0Ï¿½. *****AIRCRAFT REMOVED FROM SERVICE******* REPLACED WITH A NEW SEAT TRACK PN 20276-288-0-0 AT FS449.85 TO FS499.0. RESTORED PROTECTIVE FINISH. ALL WORK WITHIN LIMITS WAS PERFORMED IAW MHIRJ CRJ200 AMM 53-01-11-400-802 REV 66, SRM 51-40-11 REV 39, SRM 51-21-11 REV 39, SRM 51-77-00 REV 39 ALL WORK WITHIN LIMITS PERFORMED UNDER AERSALE WORK ORDER 003883, CARD NO. 20051, TT: 39,700:41 TC: 38,532.