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The console device was not returned to the service center but was serviced on-site at the customer's facility by a field service engineer (fse).The fse confirmed the reported issue of the device low power.The device was checked thoroughly.A burnt spot was observed on the 550 fiber, so it was recommended to use a new fiber.A burnt spot was also found on the high resonator (hr) mirror in the third cavity, which was replaced.Alignment was performed, and the laser was fired at various settings with no errors observed.The self-test passed successfully.All service parameters were checked and found to be within specification.The instrument is now working fine.After the fse replaced the hr mirror, the issue was resolved, and the unit was back within specification.As a result, the console is now functioning as intended.The malfunction found could have affected the device performance, leading to the event experienced by the customer.The device history record (dhr) and service history record (shr) indicate that this p120 was installed on 12 january 2015, and this event occurred over 10 years after the system installation.After this period, component wear, failure or damage is possible based on product use.Based on the information available, a conclusion code of cause traced to component failure was assigned to this investigation, indicating that expected or random component failures were identified, with no design or manufacturing issues found.
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