What was found
WHILE A/C WAS IN FOR HEAVY CHECK FOUND CORROSION ON SHEAR PLATE AT FR 87 AFT GALLEY ATTACH POINT RT SIDE. MX REMOVED AND REPLACED SHEAR PLATE AT FR 87 IAW EMB 170 SRM 51-42-02, 51-20-00, 51-42-00. ALODINED, PRIMED AND APPLIED TOPCOAT IAW EMB 170 51-23-05, 51-23-06. PN 170-91919-001. A/C REMAINS IN CMH FOR HEAVY CHECK COMPLETION.