Customer initially reports that this, the 2nd battery, was also getting hot inside holster on surgeons hip.On (b)(6) 2016 customer reports that doctor was performing a spinal fusion when he felt the battery was hot, after one hour of use.Battery was removed from holster.The heat burned into the battery.No harm to the doctor.Number 2 of 2 related complaints.
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On 6 /7/2016 integra investigation completed.Method: failure analysis, device history evaluation.Results: failure analysis - battery only received.Inserted into holster, connected to led headlight, run for 2 hours on highest setting.Run time temperature 79.8f, not an abnormal temperature for a battery in use.Battery tests within specification.Device history evaluation.Nonconforming product report / nonconforming material report history: none.Variance authorization / deviation history: none.Engineering change order / manufacturing change order history: none.Corrective action preventive action history: none.Health hazard evaluation history: none.Conclusion: the report of battery getting hot inside holster could not be confirmed.After the evaluation of the returned sample, it was found that the battery could power a headlight and not over-heat in holster.The complaint report is unconfirmed; testing within specifications.
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