{"kind":"episode","subject":"site-a:pump-2","answer":{"diagnosis_code":"misalignment","hypothesis":"Axial vibration rose sharply against the pump's own 24-hour baseline (2.77 vs 2.06) while radial vibration (3.11 vs 3.10) and current (30.02 vs 30.01) stayed flat, which points at the shaft rather than the bearing, probe, or load. This matches misalignment, so maintenance should be booked under the misalignment work order without stopping the pump.","summary":"selected misalignment at confidence 0.62; missing: 24-hour temperature baseline; Recent raw axial vibration samples; Radial probe health check","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"misalignment"}}]}}
{"kind":"episode","subject":"site-a:pump-6","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration rose ~34% above the pump's own 24h baseline (4.26 vs 3.18) while axial vibration and current stayed flat, so the fault is radial-only: a bearing fault (wear) with the vibration probe reading high as the alternate explanation. Axial and current rule out misalignment and overload.","summary":"selected bearing_wear at confidence 0.55; missing: Radial vibration waveform or spectral band data; Longer-horizon vibration trend (weeks); Temperature 24h mean; Confirmation that the elevated radial level persists past the 15m window","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-8","answer":{"diagnosis_code":"misalignment","hypothesis":"Axial vibration is running ~33% above the pump's own 24-hour mean (2.72 vs 2.05) while radial vibration sits below baseline (3.14 vs 3.80) and current is flat (29.98 vs 30.00). Per the decision rule, an axial rise against baseline with normal radial and current points to a genuine shaft-line fault — misalignment — not a probe artifact (which would tend to move both channels) and not a load change.","summary":"selected misalignment at confidence 0.72; missing: 24-hour temperature baseline (only a 15-minute mean is provided); Vibration trend shape over the last hours (step vs exponential creep vs spike-and-settle); Axial probe calibration/health check","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"misalignment"}}]}}
{"kind":"episode","subject":"site-a:pump-5","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is elevated above the pump's own 24-hour baseline (15m mean 4.17 vs 24h mean 3.17) while axial vibration, current, and temperature remain flat, matching a radial-only rise that points at the bearing rather than the shaft or the load. The sustained elevation across the 15-minute window favors bearing wear over a self-settling transient.","summary":"selected bearing_wear at confidence 0.62; missing: Raw radial vibration trend shape (creep rate and pinned-vs-moving samples); Cross-check from a redundant or adjacent vibration probe; 24-hour temperature baseline","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-3","answer":{"diagnosis_code":"bearing_wear","hypothesis":"The 15m vibration mean (5.33) is ~17% above the pump's own 24h baseline (4.54) while the axial channel (2.01 vs 2.00) and motor current (30.00 vs 29.99) sit at baseline, so the fault is radial-only. A sustained radial rise against baseline points primarily at bearing wear, with probe-side sensor drift as the main alternative since only that channel moved.","summary":"selected bearing_wear at confidence 0.45; missing: High-resolution vibration trend (per-sample series for the last 24h); Redundant or offline vibration reference for the same point; 24h temperature baseline","intents":[{"type":"install_watch_condition","risk":"R0","parameters":{"expires_at":"2026-10-29T21:47:10Z","expression":"features.vibration_mean_15m \u003e= 4.0","max_fires":3,"metric":"vibration_mean_15m","target":"site-a:pump-3","threshold":4}}]}}
{"kind":"episode","subject":"site-a:pump-5","answer":{"diagnosis_code":"misalignment","hypothesis":"Axial vibration is elevated about 33% above the pump's own 24-hour baseline while radial vibration and motor current remain at baseline, indicating a shaft-related fault consistent with misalignment. The rise is sustained in the latest 15-minute window, so it is not a self-settling transient.","summary":"selected misalignment at confidence 0.75; missing: No 24-hour temperature baseline; No axial vibration history beyond 24h or after the 15m window","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"misalignment"}}]}}
{"kind":"episode","subject":"site-a:pump-4","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is up ~35% versus the pump's own 24h baseline (4.27 vs 3.17) while axial vibration and current are at or below baseline, so the pump is loaded normally and the fault is isolated to the radial path — an early bearing wear signature rather than a shaft or load problem.","summary":"selected bearing_wear at confidence 0.45; missing: High-resolution radial vibration trend for the last 15 minutes; Probe calibration or cross-check against a second vibration sensor; 24-hour temperature baseline","intents":[{"type":"install_watch_condition","risk":"R0","parameters":{"expires_at":"2026-10-29T21:51:54Z","expression":"features.vibration_mean_15m \u003e= 4.0","max_fires":3,"metric":"vibration_mean_15m","target":"site-a:pump-4","threshold":4}}]}}
{"kind":"episode","subject":"site-a:pump-8","answer":{"diagnosis_code":"misalignment","hypothesis":"Axial vibration is up ~33% versus the pump's own 24-hour baseline (2.74 vs 2.05) while current is flat (30.04 vs 30.00) and radial vibration is only marginally elevated (3.12 vs 3.02), which per the diagnostic rule points at the shaft — misalignment — rather than bearing wear, load, or a probe fault.","summary":"selected misalignment at confidence 0.62; missing: A longer axial-vibration trend (beyond the 15-minute mean); A 24-hour temperature mean to pair with temperature_mean_15m; Probe health or cross-check of the axial sensor","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"misalignment"}}]}}
{"kind":"episode","subject":"site-a:pump-1","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is up ~32% against the pump's own 24-hour baseline (4.31 vs 3.28) while axial vibration and motor current are flat, which isolates the fault to the radial/bearing path rather than the shaft or the load. With no pinned reading or settling pattern to indicate a probe artifact, bearing_wear is the leading cause, with sensor_drift as the main alternative.","summary":"selected bearing_wear at confidence 0.45; missing: 24-hour temperature baseline to pair with fact:facts.temperature_mean_15m; Vibration trend shape over the recent window (step vs slow exponential creep vs settled transient)","intents":[{"type":"install_watch_condition","risk":"R0","parameters":{"expires_at":"2026-10-29T21:52:49Z","expression":"features.vibration_mean_15m \u003e= 4.0","max_fires":3,"metric":"vibration_mean_15m","target":"site-a:pump-1","threshold":4}}]}}
{"kind":"episode","subject":"site-a:pump-6","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is elevated ~17% above the pump's own 24h baseline (15m mean 5.21 vs 24h mean 4.46) while axial vibration (1.998 vs 2.000) and motor current (29.98 vs 30.00) sit flat at baseline, so the rise is isolated to the radial channel and persists beyond 15 minutes — consistent with bearing wear rather than shaft misalignment, load, or a settling transient.","summary":"selected bearing_wear at confidence 0.55; missing: Raw radial vibration samples or a trend shape over the 24h window; Whether the radial vibration reading is still varying sample-to-sample rather than pinned at a fixed high value; A 24-hour temperature baseline","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-5","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is elevated ~34% above the pump's own 24-hour baseline (4.14 vs 3.08) while axial vibration and motor current are flat versus their baselines, so the fault is a radial-only rise pointing at bearing wear rather than shaft misalignment or load. The rise is sustained across the 15-minute window, not a self-settling transient.","summary":"selected bearing_wear at confidence 0.45; missing: Raw high-frequency vibration waveform or probe min/max over the window; Vibration samples at finer granularity across the 24 hours; 24-hour temperature baseline; Lubrication service history","intents":[{"type":"install_watch_condition","risk":"R0","parameters":{"expires_at":"2026-10-29T21:59:33Z","expression":"features.vibration_mean_15m \u003e= 4.0","max_fires":3,"metric":"vibration_mean_15m","target":"site-a:pump-5","threshold":4}}]}}
{"kind":"episode","subject":"site-a:pump-8","answer":{"diagnosis_code":"bearing_wear","hypothesis":"The radial vibration 15-minute mean (4.10) sits ~33% above the pump's own 24-hour baseline (3.07) and has not settled, while the axial mean (2.005 vs 2.067) and motor current (30.04 vs 30.00) remain at baseline. A radial-only sustained rise against baseline points at bearing wear rather than shaft misalignment or load, with a healthy-pump probe reading high (sensor drift) as the main alternative.","summary":"selected bearing_wear at confidence 0.5; missing: Radial vibration trend shape over several hours (step vs slow exponential creep); Temperature 24-hour baseline; Independent check of the vibration probe (redundant sensor, calibration, or raw waveform); Short-window high-resolution vibration samples around the onset","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-3","answer":{"diagnosis_code":"misalignment","hypothesis":"Axial vibration is elevated ~32% above the pump's own 24-hour baseline while current is flat and radial vibration actually fell below baseline, which matches shaft misalignment rather than a bearing, probe, or load problem. The rise has not settled within the 15-minute window, so it is not a self-resolving transient.","summary":"selected misalignment at confidence 0.72; missing: No 24-hour temperature mean is provided, only temperature_mean_15m; No time-series samples or timestamps showing when the axial rise began and whether it is sustained; No recent lubrication record or cumulative runtime since last service","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"misalignment"}}]}}
{"kind":"episode","subject":"site-a:pump-7","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration rose ~31% versus the pump's own 24-hour baseline (4.31 vs 3.29) while axial vibration (~1.998 vs ~1.999) and current (~29.98 vs ~30.01) stayed flat, which per the diagnostic rule is a radial-only rise pointing at bearing wear. Sensor drift on the vibration probe is the main alternative since every other channel is healthy, but there is no probe fault evidence, so bearing_wear leads.","summary":"selected bearing_wear at confidence 0.45; missing: Raw high-resolution vibration trend samples; Independent vibration measurement or second probe reading; 24-hour temperature mean; Lubrication service history and multi-day vibration trend","intents":[{"type":"install_watch_condition","risk":"R0","parameters":{"expires_at":"2026-10-29T22:01:39Z","expression":"features.vibration_mean_15m \u003e= 4.0","max_fires":3,"metric":"vibration_mean_15m","target":"site-a:pump-7","threshold":4}}]}}
{"kind":"episode","subject":"site-a:pump-4","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is up ~17% versus the pump's own 24-hour baseline (5.27 vs 4.50) while axial vibration and motor current are flat, which per the baseline rules points at the bearing rather than the shaft or the load. The rise is sustained in the 15-minute mean, so it is not a self-settling transient; bearing wear is the leading cause, with a high-reading probe the main alternative to rule out.","summary":"selected bearing_wear at confidence 0.55; missing: 24-hour temperature mean; Vibration trend shape over a longer window (or spectrum); Cross-check of the radial vibration probe against a redundant channel","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}