It was reported that on (b)(6) 2019, the company representative noted during a preventative maintenance that the non sterile pointer probe s/n (b)(6) did not pass the accuracy check.The event described in the complaint was confirmed by our analysis : the pointer probe s/n (b)(6) needs to be recalibrated.At this point, the part has not been returned to the manufacturing site for recalibration.Based on the investigation performed, the technical root cause of the event was determined to be that the pointer probe is out of calibration.Pointer probes should be manipulated carefully to preserve their calibration.The most probable root cause would be a shock or drop of the pointer probe, or a normal wear of the pointer probe, that altered its calibration.However the exact root cause cannot be determined.
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