What was found
CREW 02 LOW LOW 02 CAUTION LOST 60 PSI FROM CVG TO MSP. FOUND CRACKED 02 LINE ON LT (CAPTAIN'S) 02 MASK BOX. R&R 02 LINE P/N 38019-5-0110 IAW AMM 35-13-01. LEAK CHK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW 02 LOW LOW 02 CAUTION LOST 60 PSI FROM CVG TO MSP. FOUND CRACKED 02 LINE ON LT (CAPTAIN'S) 02 MASK BOX. R&R 02 LINE P/N 38019-5-0110 IAW AMM 35-13-01. LEAK CHK GOOD.