What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOORBEAM UPPER CHORD AT STA 312, LBL 15. REPAIRED UPPER CHORD PER SRM 53-10-51-2R-15 ALTERNATIVE 3.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOORBEAM UPPER CHORD AT STA 312, LBL 15. REPAIRED UPPER CHORD PER SRM 53-10-51-2R-15 ALTERNATIVE 3.