Module activation
24 TCCS Auxiliary Fan #1 Failure — Shortest T first · recovered after wrong procedure(s)
Score distribution
Ranking at first decision (Shortest T first)
| Hypothesis | P | T | P/T |
|---|---|---|---|
| 1. Main Cabin Fan Failure | 0.000 | 3 | 0.0000 |
| 2. Reduced Main Cabin Fan #1 Capacity ▸ | 0.030 | 4 | 0.0074 |
| 3. TCCS Auxiliary Fan at Reduced Capacity | 0.030 | 4 | 0.0074 |
| 4. PDU 5 Failure ▸ | 0.056 | 6 | 0.0093 |
| 5. PDU 4 Failure | 0.048 | 6 | 0.0081 |
| 6. Emergency O2 System Maintenance | 0.000 | 8 | 0.0000 |
| 7. Fuel Cell Degrade | 0.000 | 8 | 0.0000 |
| 8. Fuel Cell Failure | 0.000 | 8 | 0.0000 |
| 9. CDRA LiOH Canister Saturation | 0.000 | 12 | 0.0000 |
| 10. Loss of Pressure | 0.000 | 12 | 0.0000 |
| 11. MOXIE Antenna Failure | 0.000 | 12 | 0.0000 |
| 12. MOXIE ECM Failure | 0.000 | 12 | 0.0000 |
| 16. Fuel Cell #1 and PDU Failure ▸ | 0.056 | 14 | 0.0040 |
| 22. TCCS Filter Clog ▸ | 0.123 | 18 | 0.0068 |
| 24. TCCS Auxiliary Fan #1 Failure ★ ▸ | 0.372 | 20 | 0.0186 |
15 of 31 · ★ truth · ▸ attempted · highlight = first pick · P=0 if unscored at first decision
Sequence: Reduced Main Cabin Fan #1 Capacity → PDU 5 Failure → Fuel Cell #1 and PDU Failure → TCCS Filter Clog → TCCS Auxiliary Fan #1 Failure
TTR: 61.1 min · attempts 5 · wrong 4