{
  "slug": "spare-review",
  "id": "CH-TR-204-02",
  "revision": "DRAFT 0.1",
  "title": "Wrong-spare choice, HOLD and reviewed recovery",
  "model_id": "CHEM-P204-01",
  "model_version": "0.1",
  "status": "Concept training draft \u2014 not an approved plant operating SOP",
  "purpose": "Practise a meaningful wrong choice and recover through source comparison rather than forcing a mismatched part.",
  "prerequisites": "Use only the fictional inert model. A task owner must validate source, revision, mechanics and evidence before any real-equipment lesson. This page does not authorize physical work.",
  "steps": [
    {
      "number": 1,
      "title": "Confirm the task context",
      "action": "Identify P-204 and the current concept training draft.",
      "check": "Use the same model/version as the configuration review.",
      "components": [
        "P-204"
      ]
    },
    {
      "number": 2,
      "title": "Locate the expected part",
      "action": "Select G-204-A as the expected coupling guard identity.",
      "check": "The expected ID is explicit before comparing the spare.",
      "components": [
        "G-204-A"
      ]
    },
    {
      "number": 3,
      "title": "Inspect the offered spare",
      "action": "Select G-205-B in the separate tray.",
      "check": "The spare remains separate from the installed guard.",
      "components": [
        "G-205-B"
      ]
    },
    {
      "number": 4,
      "title": "Compare the two footprints",
      "action": "Orbit and compare the visible feet and source identities.",
      "check": "The offered spare has a different mounting footprint.",
      "components": [
        "G-204-A",
        "G-205-B"
      ]
    },
    {
      "number": 5,
      "title": "Make the choice visible",
      "action": "Record that G-205-B is not interchangeable on the supplied concept mounts.",
      "check": "Do not force-fit, snap or silently rename the wrong spare.",
      "components": [
        "G-205-B"
      ]
    },
    {
      "number": 6,
      "title": "Hold the proposed step",
      "action": "Keep the selection on HOLD while the mismatch is unresolved.",
      "check": "No successful-fit or completion state is awarded.",
      "components": [
        "G-205-B"
      ]
    },
    {
      "number": 7,
      "title": "Explain the mismatch",
      "action": "Name the observed ID and footprint difference in the review record.",
      "check": "The reason is concrete, not a generic error message.",
      "components": [
        "G-205-B",
        "G-204-A"
      ]
    },
    {
      "number": 8,
      "title": "Request qualified review",
      "action": "Refer the discrepancy to the task/source owner.",
      "check": "A learner cannot self-approve a different physical part.",
      "components": [
        "P-204"
      ]
    },
    {
      "number": 9,
      "title": "Review the correct training source",
      "action": "Compare the source-checked G-204-A identity and intended mounts.",
      "check": "Only the reviewed training choice is eligible for recovery.",
      "components": [
        "G-204-A"
      ]
    },
    {
      "number": 10,
      "title": "Recover the training decision",
      "action": "Select G-204-A and repeat the configuration review.",
      "check": "The wrong spare remains in its tray; recovery is documented.",
      "components": [
        "G-204-A",
        "G-205-B"
      ]
    },
    {
      "number": 11,
      "title": "Keep independent evidence gaps open",
      "action": "Check whether receiving line-up evidence is supplied.",
      "check": "Correct spare selection does not resolve missing line evidence.",
      "components": [
        "L-204-D"
      ]
    },
    {
      "number": 12,
      "title": "Record feedback for the next rehearsal",
      "action": "Retain the choice, reason, review and recovery in the training record.",
      "check": "The proposed lesson is reviewed before reuse.",
      "components": [
        "P-204",
        "G-204-A"
      ]
    }
  ],
  "assessment": "The critical gate is refusing the wrong-footprint spare. Feedback should name the mismatch, explain the HOLD and permit a source-checked retry; no operational release is scored.",
  "authoring_status": "Draft for review and future Genesis authoring; not a published Chemicals simulator.",
  "files": {
    "html": "downloads/procedures/ch-tr-204-02-draft-0.1.html",
    "json": "downloads/procedures/ch-tr-204-02-draft-0.1.json",
    "txt": "downloads/procedures/ch-tr-204-02-draft-0.1.txt"
  }
}
