What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT PASSENGER CABIN FLOORBEAM UPPER CHORD AT BS 986, LBL 387. REPAIRED CHORD PER SRM 53-70-51-2R-6 ALTERNATIVE 4.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT PASSENGER CABIN FLOORBEAM UPPER CHORD AT BS 986, LBL 387. REPAIRED CHORD PER SRM 53-70-51-2R-6 ALTERNATIVE 4.