What was found
DURING CHECK-C MAINT IN AFT CABIN FOUND CORROSION ON FLOOR SUPPORT AT STA 1320, LONGERON 23L TO 23R. INSTALLED NEW FLOOR SUPPORT PER SPM 6-70-01, 4B.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CHECK-C MAINT IN AFT CABIN FOUND CORROSION ON FLOOR SUPPORT AT STA 1320, LONGERON 23L TO 23R. INSTALLED NEW FLOOR SUPPORT PER SPM 6-70-01, 4B.