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H.6 investigation summary investigation summary: ¿ scope of issue: the scope of issue is only limited to facscanto ivd 10 color configuration, part # 657338 and serial # (b)(6).¿ problem statement: customer reported complaint on the spray of fluid under pressure, not contained within instrument.¿ manufacturing defect trend: there are zero qns (quality notifications) related to the reported issue.Date range from 6jul2021 to 6jul2022.¿ complaint trend: there are (b)(6) complaints related to the issue of spray fluid not contained within instrument under pressure;.Date range from 6jul2021 to 6jul2022 ¿ manufacturing device history record (dhr) review: dhr part # 657338, serial # (b)(6)., file # (b)(6)., was reviewed.The instrument met all the manufacturing specifications prior to release.¿ investigation result / analysis: the investigation was performed and based on the review of the complaint trend, defect trend, dhr, risk analysis and servicemax, the root cause of the spray of fluid not contained within the instrument was due to a broken check valve (pn (b)(6).).The customer reported that the leak was coming from the rear of the wet cart and when they opened the rear, they observed a leak from an orange connector.They noted that it appeared to be sheath fluid because their sheath gauge dropped and they lost about half of their sheath fluid that was inside their sheath tank.The customer stated that the sheath fluid sprayed out onto the floor but it did not spray onto anyone and no one was injured as a result of the leak.During the visit, the field service engineer (fse) confirmed that the check valve on the back of the wetcart was broken.The fse had already spoken to the customer in order to troubleshoot the broken part.The fse replaced the check valve on the back of the wetcart which fixed the issue and left a couple of extra spares.The fse verified the laser delay as well as area scaling on the laser and performed a couple of startups to verify the alignment on flowcell won¿t shift.They aligned the optics and verified the instrument as per the service manual.After the repair and testing, the instrument was working as intended and it was returned back to the customer.While there was a spray of fluid not contained within the instrument, it was not to a degree to significantly increase the risk of contact with the customer.Additionally, the fluid that leaked was sheath fluid and did not come in contact with the customer or bd personnel.The safety risk of this hazard has been identified to be within the acceptable level.¿ service max review: review of related work order #: (b)(4), case # (b)(4).Install date: (b)(6) 2018.Defective part number: 334044.Work order notes: ¿ subject / reported: wetcart leaking from the rear.¿ problem description: wetcart leaking from the rear.¿ work performed: fse assisted to customer site to found out that check valve on back of wetcart was broken.Fse already spoke to customer in order to troubleshoot broken part.Fse replaced check valve on back of wetcart and left couple extra spare just in case.Verified laser delay as well as area scaling on lasers.Performed couple of start ups to verified alignment on flowcell wont shift.Aligned optics and verified instrument per service manual.Qualified instrument with cst.¿ cause: check valve broken letting sheath to scape - replaced valve fixed issue.¿ solution: instrument tested without errors, instrument worked normally and returned to customer for use.Customer signature not available.Call closed out.¿ returned sample evaluation: a return sample was not requested because the replaced part is not returnable and was discarded.¿ risk analysis: risk management file part # (b)(6) (revision 08, version g) facscanto product family risk analysis was reviewed.No new hazards have been identified and the current mitigations are sufficient.Hazard(s) identified?: yes / no.¿ id: 3.1.12.¿ hazard: potential leakage.¿ cause: potential lack of workmanship during assembly.¿ harmful effects: potential biohazard exposure.¿ risk control: qualification and first article inspection.¿ implementation verification: vp # (b)(6) protocol.¿ effectiveness verification: vp # 11392 report.¿ p:1.¿ s:4.¿ ri:4.¿ residual risk evaluation : afap.¿ new hazards: none.Mitigation(s) sufficient: yes / no.¿ root cause: based on the investigation results the root cause of the spray of sheath fluid under pressure was due to a broken check valve.¿ conclusion: based on the investigation results, the root cause of the spray of fluid under pressure was due to a broken check valve.The fse replaced the valve which fixed the issue and left a couple of extra spares.The instrument was working as expected.No one was harmed or injured.The safety risk of this hazard has been identified to be within the acceptable level.¿ supporting document: n/a h3 other text : see h.10.
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