TR-000004 Combustor liner thermal cycling to 2,000 cycles

RETURNED ECTC-3 — Engine Component Test Cell 3 (critical hazard)

Review progress

Principal investigator: D. Marchetti
Organisation code: MSD-7
Requested window: 2027-04-05 to 2027-06-18
Summary: Accelerated thermal cycling of a ceramic matrix composite liner segment, with thermography each 250 cycles and post-test sectioning.
Hazard notes: Jet-A fuel handling, high-noise environment, exhaust gas scrubbing required.

No action available to you. This request is already returned and cannot be reviewed again.

The same check runs on the server when a decision is posted, so this is not merely a hidden button.

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	RETURN	r.lindqvist	Exhaust scrubbing capacity is not addressed for the duration proposed. Please revise section 4 and resubmit.	2026-07-26 19:04

Sequence intact. 3 events, sequence 1–3, 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	D. Marchetti	Request drafted for Combustor liner thermal cycling to 2,000 cycles.	2026-07-26 19:04
2	SUBMITTED	D. Marchetti	Entered Safety Review.	2026-07-26 19:04
3	GATE_RETURNED	r.lindqvist	Safety Review: RETURN.	2026-07-26 19:04