{"request":{"audit_integrity":{"highest":4,"message":"4 events, sequence 1–4, no gaps.","count":4,"intact":true},"requested_start":"2027-03-15","requested_end":"2027-05-30","hazard_notes":"Xenon under pressure, 600 V discharge supply, and a beam dump reaching 700 K. Cryopanel regeneration is a controlled evolution.","org_code":"MSD-11","facility":{"code":"EPVF-1","hazard_class":"CRITICAL","name":"Electric Propulsion Vacuum Facility 1"},"state":"IN_SCHEDULE","audit":[{"recorded":"2026-07-26T19:04:48","detail":"Request drafted for 12 kW Hall thruster erosion characterisation.","event":"CREATED","actor":"N. Beaumont","seq":1},{"recorded":"2026-07-26T19:04:48","detail":"Entered Safety Review.","event":"SUBMITTED","actor":"N. Beaumont","seq":2},{"recorded":"2026-07-26T19:04:48","detail":"Safety Review: APPROVE.","event":"GATE_APPROVED","actor":"s.okafor","seq":3},{"recorded":"2026-07-26T19:04:48","detail":"Facility Readiness Review: APPROVE.","event":"GATE_APPROVED","actor":"m.tran","seq":4}],"decisions":[{"recorded":"2026-07-26T19:04:48","gate_label":"Safety Review","gate":"SAFETY","reviewer":"s.okafor","rationale":"Hazard analysis reviewed against the facility safety permit. Controls are adequate as written.","seq":1,"decision":"APPROVE"},{"recorded":"2026-07-26T19:04:48","gate_label":"Facility Readiness Review","gate":"READINESS","reviewer":"m.tran","rationale":"Test cell configuration, instrumentation list and calibration records confirmed against the request.","seq":2,"decision":"APPROVE"}],"progress":[{"position":1,"status":"complete","code":"SAFETY","label":"Safety Review"},{"position":2,"status":"complete","code":"READINESS","label":"Facility Readiness Review"},{"position":3,"status":"current","code":"SCHEDULE","label":"Scheduling Confirmation"}],"principal_investigator":"N. Beaumont","current_gate":"SCHEDULE","title":"12 kW Hall thruster erosion characterisation","summary":"Long-duration wear test measuring discharge-channel erosion and plume divergence at three throttle points, with in-situ profilometry between segments.","request_no":"TR-000002"}}