What was found
During 4K-check in CWA, LH Beam between Frame Sta 272 and 288 has heavy corrosion. Maintenance replaced LH Beam PN 7253720-325 between Frame Sta 272 and 288 IAW Saab SRM 51.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
During 4K-check in CWA, LH Beam between Frame Sta 272 and 288 has heavy corrosion. Maintenance replaced LH Beam PN 7253720-325 between Frame Sta 272 and 288 IAW Saab SRM 51.