What was found
CORRODED SHEAR PLATE LOCATED BTW FR 69 TO FR 70 LEVEL STR 23L AT AFT GALLEY AREA. REPLACED SHEAR PLATE LOCATED BTW FR 69 TO FR 70 LEVEL STR 23L AT AFT GALLEY AREA AS IAW SRM 51-72-11, SRM 51-42-11 AND DRAWING D53474180, ISSUE AA, AND DRAWING D92490174, MEASURE OF CORROSION WAS: L=0.452 IN W=0. 378 IN. AIRCRAFT WAS GROUNDED. LEVEL 2 CORROSION.