Module activation
24 TCCS Auxiliary Fan #1 Failure — Random · not recovered (timeout)
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 | 0.056 | 6 | 0.0093 |
| 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 | 0.000 | 15 | 0.0000 |
| 8. WRS Off-nominal pH Level | 0.000 | 19 | 0.0000 |
| 9. TCCS Auxiliary Fan at Reduced Capacity | 0.030 | 4 | 0.0074 |
| 11. Reduced Main Cabin Fan #1 Capacity ▸ | 0.030 | 4 | 0.0074 |
| 12. TCCS Filter Clog ▸ | 0.123 | 18 | 0.0068 |
| 19. PDU 4 Failure ▸ | 0.048 | 6 | 0.0081 |
| 21. TCCS Auxiliary Fan #1 Failure ★ | 0.372 | 20 | 0.0186 |
| 26. Fuel Cell #1 and PDU Failure ▸ | 0.056 | 14 | 0.0040 |
| 31. Trace Contaminants ▸ | 0.123 | 20 | 0.0061 |
15 of 31 · ★ truth · ▸ attempted · highlight = first pick · P=0 if unscored at first decision
Sequence: PDU 4 Failure → Trace Contaminants → Reduced Main Cabin Fan #1 Capacity → TCCS Filter Clog → Fuel Cell #1 and PDU Failure
TTR: — · attempts 5 · wrong 5