What was found
AIRCRAFT GROUNDED. AFT CARGO COMPARTMENT AT BS 727C, BETWEEN STR 26L & 27L FRAME SHEAR TIE WITH CORROSION. REMOVED CORROSION. REWORKED AREA OUT OF ALLOWABLE DAMAGE LIMIT IAW B737-400 SRM 53-00-07. FABRICATED SHEAR TIE, SUPPORT AND FILLER IAW APPROVED SPECIFICATIONS AND REPLACED PARTS.