What was found
F/O OXYGEN MASK WILL NOT TEST. CAUSE, UNKNOWN. REPLACED STOW BOX ASSY, OPS CHECKED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
F/O OXYGEN MASK WILL NOT TEST. CAUSE, UNKNOWN. REPLACED STOW BOX ASSY, OPS CHECKED OK.