What was found
LEVEL 2 CORROSION, UPPER FUSELAGE, AFT PAX CABIN, SHEAR PLATE CORRODED AT -Y1150 BETWEEN FR 69 TO FR 70. REPLACED SHEAR PLATE AT PAX CABIN -Y1150 BETWEEN FR 69 TO FR 70 IAW SRM 51-72-11-977-001, PARA 2, SRM REV 158.00, & AIRBUS REF DWG D53474180. (LP: 1729259, AIRCRAFT WAS GROUNDED)