What was found
DURING CHECK-C MAINT, FOUND INTERGRANULAR CORROSION ON NUMBER 4 CHAIR TRACK, RBL 22 INCHES, STA 1144. INSTALLED SPLICE REPAIR PER SRM 53-05, FIG 4F.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CHECK-C MAINT, FOUND INTERGRANULAR CORROSION ON NUMBER 4 CHAIR TRACK, RBL 22 INCHES, STA 1144. INSTALLED SPLICE REPAIR PER SRM 53-05, FIG 4F.