What was found
CAPTAIN'S O2 WILL NOT TEST. CAPT O2 BOX IS LEAKING. REPLACED CAPT O2 STOWAGE BOX ASSY, LEAK CHECKED ALL LINES, OPS CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CAPTAIN'S O2 WILL NOT TEST. CAPT O2 BOX IS LEAKING. REPLACED CAPT O2 STOWAGE BOX ASSY, LEAK CHECKED ALL LINES, OPS CHECKED GOOD.