What was found
AT C-CHECK, AFT CABIN HAS SHEAR WEB PLATE WITH CORROSION IN TWO PLACES BS 1166 & RBL 15. CUT OUT CORNER AREA OF SHEAR WEB AT BS 1148 & 1166 RBL 15 INCHES. INSTALLED DOUBLER REPAIR AT BS 1148 AND 1166 AS PER B727 SRM 51-40-2 FIG 1.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT C-CHECK, AFT CABIN HAS SHEAR WEB PLATE WITH CORROSION IN TWO PLACES BS 1166 & RBL 15. CUT OUT CORNER AREA OF SHEAR WEB AT BS 1148 & 1166 RBL 15 INCHES. INSTALLED DOUBLER REPAIR AT BS 1148 AND 1166 AS PER B727 SRM 51-40-2 FIG 1.