TR-000006 Fatigue coupon screening, additively manufactured Inconel 718

APPROVED MSL-2 — Materials & Structures Lab Bay 2 (routine hazard)

Review progress

Principal investigator: T. Nakagawa
Organisation code: MSD-9
Requested window: 2027-01-18 to 2027-03-01
Summary: Room-temperature high-cycle fatigue screening of forty coupons across two build orientations and two post-processing routes.
Hazard notes: Standard laboratory hazards only.

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Every decision ever taken on this request. Rows are append–only; nothing here is edited or deleted.
#	Gate	Decision	Reviewer	Rationale	Recorded
1	Safety Review	APPROVE	s.okafor	Hazard analysis reviewed against the facility safety permit. Controls are adequate as written.	2026-07-26 19:04
2	Facility Readiness Review	APPROVE	m.tran	Test cell configuration, instrumentation list and calibration records confirmed against the request.	2026-07-26 19:04
3	Scheduling Confirmation	APPROVE	k.whitfield	Window confirmed against the facility calendar. No conflict with scheduled maintenance.	2026-07-26 19:04

Sequence intact. 5 events, sequence 1–5, no gaps.

Append–only activity log. The sequence number is unique per request, so a removed row is detectable.
#	Event	Actor	Detail	Recorded
1	CREATED	T. Nakagawa	Request drafted for Fatigue coupon screening, additively manufactured Inconel 718.	2026-07-26 19:04
2	SUBMITTED	T. Nakagawa	Entered Safety Review.	2026-07-26 19:04
3	GATE_APPROVED	s.okafor	Safety Review: APPROVE.	2026-07-26 19:04
4	GATE_APPROVED	m.tran	Facility Readiness Review: APPROVE.	2026-07-26 19:04
5	GATE_APPROVED	k.whitfield	Scheduling Confirmation: APPROVE.	2026-07-26 19:04