What was found
CAPTAIN'S OXY MASK TEST AND RESET SLIDING SWITCH WILL NOT RESET CAPTAIN'S OXYGEN MASK. REPLACED CAPTAINS O2 BOX. CHECKS OKAY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CAPTAIN'S OXY MASK TEST AND RESET SLIDING SWITCH WILL NOT RESET CAPTAIN'S OXYGEN MASK. REPLACED CAPTAINS O2 BOX. CHECKS OKAY.