What was found
F/O O2 MASK WILL NOT TEST. REMOVED & REPLACED FIRST OFFICER'S O2 MASK STOWAGE BOX. LEAK CHECKED O2 LINE. LEAK CHECK OKAY. CREW O2 BOTTLE VALVE OPEN & SAFETIED MASK AND BOX. OPS CHECK OKAY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
F/O O2 MASK WILL NOT TEST. REMOVED & REPLACED FIRST OFFICER'S O2 MASK STOWAGE BOX. LEAK CHECKED O2 LINE. LEAK CHECK OKAY. CREW O2 BOTTLE VALVE OPEN & SAFETIED MASK AND BOX. OPS CHECK OKAY.