unserviceability

the pilot reported the aircraft’s unserviceability before departure.

maintenance confirmed the unserviceability of the emergency generator.

we logged the equipment unserviceability in the daily inspection report.

the technician issued an unserviceability notice for the faulty valve.

the manager requested a written report on the unserviceability of the lift.

due to unserviceability, the fire alarm panel was taken out of service.

we traced the unserviceability to a loose connector in the control box.

the crew performed troubleshooting to determine the cause of unserviceability.

operations arranged a replacement unit after confirming unserviceability.

the inspector cited unserviceability as grounds for immediate shutdown.

repairs were scheduled to address the unserviceability identified during testing.

until unserviceability is cleared, the system must remain isolated.