What was found
CABIN PRESSURIZATION VACUUM SUPPLY TUBE ASSY CHAFED AND CORRODED THROUGH UNDER CABIN FLOOR AT STA 246. TUBE WAS CHAFED BY CONDITIONED AIR DUCT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN PRESSURIZATION VACUUM SUPPLY TUBE ASSY CHAFED AND CORRODED THROUGH UNDER CABIN FLOOR AT STA 246. TUBE WAS CHAFED BY CONDITIONED AIR DUCT.