Model risk score
82.6/100
predictive maintenance model
Predicted RUL
1d
remaining useful life
Health index
22/100
telemetry-derived
Model confidence
97%
evidence density
Open snags (tail)
1
unscheduled, open
Aircraft status
AOG
786 flt hrs · 5y old
✨ AI root-cause analysis
Generating AI analysis…
Predicted failure mode
Metering-valve drift — leading signals: fuel-flow scheduling error.
See the Predictive model tab for the substantiating data points and the Maintenance & spare tab for history and the prescriptive action.
Health degradation & failure projection
Why — model risk drivers
Feature attribution — substantiating data points
| Risk driver | Weight | Severity | Contribution | Substantiating evidence |
|---|---|---|---|---|
| Failure imminence | 28% | 98% | 27.5 pts | ~1d to predicted failure |
| Health-index deficit | 30% | 78% | 23.4 pts | health 22/100 |
| Component criticality | 14% | 100% | 14.0 pts | High |
| Recent unscheduled snags | 12% | 100% | 12.0 pts | 7 unscheduled events on tail |
| Spare exposure | 3% | 100% | 3.0 pts | 0 on hand, lead 54d |
| Cumulative duty (flight hrs) | 8% | 22% | 1.7 pts | 786 flight hrs |
| Airframe age | 5% | 20% | 1.0 pts | 5 yrs (inducted 2021) |
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Source: components · maintenance_events · aircraft · spares — model: gradient-weighted risk attribution · governed & traceable
Maintenance activity — SB-1067
This component — Fuel Control Unit
| Date | Type | Severity | Status | Downtime |
|---|---|---|---|---|
| 2026-05-26 | Unscheduled | Critical | Open | 161.2h |
| 2026-01-05 | Unscheduled | Low | Closed | 19.4h |
| 2025-10-24 | Unscheduled | Med | Closed | 17.9h |
| 2025-10-02 | Unscheduled | High | Closed | 34.4h |
Full aircraft history
| Date | Component | Type | Sev | Status | DT |
|---|---|---|---|---|---|
| 2026-05-26 | Fuel Control Unit | Unsch | Critical | Open | 161.2h |
| 2026-03-23 | Brake Assembly | Unsch | Low | Closed | 108.4h |
| 2026-01-05 | Fuel Control Unit | Unsch | Low | Closed | 19.4h |
| 2025-10-24 | Fuel Control Unit | Unsch | Med | Closed | 17.9h |
| 2025-10-02 | Fuel Control Unit | Unsch | High | Closed | 34.4h |
| 2025-07-27 | Pitot-Static Probe | Unsch | Med | Closed | 66.9h |
| 2025-04-27 | Pitot-Static Probe | Unsch | Med | Closed | 78.1h |
| 2024-12-14 | Brake Assembly | Sched | Med | Closed | 68.9h |
Lead-time history
Stock on hand vs reorder
Required spare & prescriptive action
Required spare
Fuel Control Unit
on hand 0 · reorder 2 · lead 54d ·
High
Stock is at/below reorder and lead time has risen to 54 days —
pre-position Fuel Control Unit at AFS Himgiri now to avoid an AOG when the component is pulled.
The same chain is visible fleet-wide on the diagnostic drill-down.
Monthly receipts & consumption
| Month | Lead time | On hand | Received | Consumed |
|---|---|---|---|---|
| 2025-07 | 48d | 7 | 6 | 6 |
| 2025-08 | 48d | 4 | 7 | 3 |
| 2025-09 | 48d | 7 | 5 | 3 |
| 2025-10 | 47d | 6 | 4 | 6 |
| 2025-11 | 48d | 4 | 11 | 7 |
| 2025-12 | 48d | 3 | 5 | 6 |
| 2026-01 | 51d | 5 | 6 | 5 |
| 2026-02 | 52d | 1 | 3 | 4 |
| 2026-03 | 52d | 3 | 4 | 4 |
| 2026-04 | 52d | 2 | 8 | 6 |
| 2026-05 | 53d | 2 | 8 | 6 |
| 2026-06 | 54d | 0 | 0 | 6 |
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Source: spares · spares_history · consumption · governed & traceable