What was found
WHILE AC WAS IN FOR HEAVY CHECK FOUND CORROSION ON LOWER FUSELAGE FR 16 AT SHEAR CLIP BETWEEN STR 27-28R. AAR MX REPLACED SHEAR CLIP (PN 170-03859-002) BETWEEN STR 27-28R, IAW MB SRM 51-41-01, SRM 51-41-02. SEE AAR NRC NR 4500797-1000-0072 FOR WORK PERFORMED. AC REMAINS IN YQG FOR COMPLETION.