As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW OXYGEN BOTTLE LEAKED TO ZERO. FOUND OBS MASK NOT STOWED ANS SUSPECT LEAKAGE REF LP9970066. REPLACED AND LEAKED CKD REF AMM 12-15-21-600-801-001. NO LEAKS FOUND FOUND OBSERVERS MASK NOT STOWED PROPERLY IN HOLDER, MASK STUCK IN THE ON POSITION AND BLEED CREW BOTTLE TO ZERO. REMOVED OBSERVERS MASK ASSY AND INSTALLED SERVICEABLE MASK REF AMM TASK 35-12-85-000-802.