As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEFECT NR00513: CORROSION FWD CARGO COMPARTMENT BS440 FRAME ATTACH PLATE FROM STRINGER 22L TO 24L AT NUT PLATE HOLES. - - - RESOLUTION: REMOVED AND REPLACED NEW ATTACH PLATE ON BS 440 FROM BETWEEN STRINGER 22L TO 24L IAW B737 SRM 51-40-02-0G-0 DWG 814A3100. CAUSE OF CORROSION: MOISTURE.