What was found
WHILE AC WAS IN FOR HEAVY CHECK FOUND LT INBOARD SEAT TRACK BETWEEN FR 43-59 CORRODED. AAR MX SEAT TRACK PN 170-02064-011. REPLACED IAW EMB SRM 51-42-01, 51-41-01, 51-43-04. SEE AAR NRC 4500833-2000-0019 FOR WORK PERFORMED. AC REMAINS IN YQG FOR COMPLETION.