Module activation
17 Main Cabin Fan Failure — Random · recovered after wrong procedure(s)
Score distribution
Ranking at first decision (Random)
| Hypothesis | P | T | P/T |
|---|---|---|---|
| 1. Electrolysis System Failure | 0.000 | 35 | 0.0000 |
| 2. Fuel Cell Degrade | 0.000 | 8 | 0.0000 |
| 3. PDU 5 Failure ▸ | 0.047 | 6 | 0.0078 |
| 4. N2 Tank Burst | 0.000 | 12 | 0.0000 |
| 5. Excess CO2 in Cabin | 0.000 | 20 | 0.0000 |
| 6. Biological Filter Saturation | 0.000 | 25 | 0.0000 |
| 7. Excess Water Vapor Pressure in Cabin ▸ | 0.450 | 15 | 0.0300 |
| 8. WRS Off-nominal pH Level | 0.000 | 19 | 0.0000 |
| 9. TCCS Auxiliary Fan at Reduced Capacity | 0.000 | 4 | 0.0000 |
| 10. MOXIE ECM Failure | 0.000 | 12 | 0.0000 |
| 11. Reduced Main Cabin Fan #1 Capacity ▸ | 0.027 | 4 | 0.0067 |
| 12. TCCS Filter Clog | 0.000 | 18 | 0.0000 |
| 13. SPE System Maintenance | 0.000 | 20 | 0.0000 |
| 14. CDRA LiOH Canister Saturation | 0.000 | 12 | 0.0000 |
| 25. Main Cabin Fan Failure ★ ▸ | 0.356 | 3 | 0.1186 |
15 of 31 · ★ truth · ▸ attempted · highlight = first pick · P=0 if unscored at first decision
Sequence: PDU 5 Failure → Excess Water Vapor Pressure in Cabin → Reduced Main Cabin Fan #1 Capacity → Main Cabin Fan Failure
TTR: 32.1 min · attempts 4 · wrong 3