As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A, CAPTAIN''S O2 MASK HEAD STRAPS FAILED TO INFLATE. CAPT''S WRITE-UP: OXYGEN MASK HOSE DEFECTIVE. APPEARS TO BE A HOLE IN HARNESS. HARNESS WILL NOT INFLATE PROPERLY. REPLACED CAPTAIN''S O2 MASK ASSY PER B767 MM 35-11-51. CAPTAIN''S MASK OPS CHECKS NORMAL.