What was found
DURING 'C' CHECK MAINTENANCE FOUND BELT FRAME HAS 2 INCH LONG CRACK AT FS 1580, LONGERON 21L. INSTALLED REPAIR IAW SRM 53-2-0.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING 'C' CHECK MAINTENANCE FOUND BELT FRAME HAS 2 INCH LONG CRACK AT FS 1580, LONGERON 21L. INSTALLED REPAIR IAW SRM 53-2-0.