What was found
F/O'S OXYGEN MASK MICROPHONE IS INOPERATIVE. WHEN MASK IS STOWED WHITE TAB INDICATING MASK MICROPHONE IS HOT WILL NOT RESET. REPLACED STOWAGE BOX OP'S GOOD IAW MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
F/O'S OXYGEN MASK MICROPHONE IS INOPERATIVE. WHEN MASK IS STOWED WHITE TAB INDICATING MASK MICROPHONE IS HOT WILL NOT RESET. REPLACED STOWAGE BOX OP'S GOOD IAW MM.