What was found
WHILE A/C WAS IN FOR HEAVY CHECK CORROSION FOUND ON FWF FUSELAGE SHEAR CLIP AT FR 17 BETWEEN 27RT AND 28RT. REPLACED SHEAR CLIP PN 170-03335-001, IAW SRM 51-43-03, 51-41-02. SEE AAR NRC 4500836-1000-0143 FOR WORK PERFORMED. A/C REMAINS IN YQG FOR COMPLETION.