What was found
DURING HEAVY MAINTENANCE, FLOOR BEAM CORRODED AT -Y254 AT FR 18 +3.5 REF AEROMAN NR 2019-309267; REPLACED FLOOR BEAM AS PER SRM REF 51-72-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE, FLOOR BEAM CORRODED AT -Y254 AT FR 18 +3.5 REF AEROMAN NR 2019-309267; REPLACED FLOOR BEAM AS PER SRM REF 51-72-11.