When a piece of test equipment has been found faulty, it is the responsibility of the Principal Lead Engineer to identify the work the unit has been used on and assess the consequences. Re-visits to customer site may be required.
Faulty test equipment is normally identified by the engineer’s service report or the calibration certificate after re-certification.
It is the responsibility of the Principal Lead engineer to record any faults and actions taken.

Reference Procedure:
Project Procedure: – Non-Conforming Material