20 PDU 5 Failure — P/T (priority) · recovered after wrong procedure(s)

Ranking at first decision (P/T (priority))

Hypothesis	P	T	P/T
1. Main Cabin Fan Failure ▸	0.140	3	0.0466
2. PDU 5 Failure ★ ▸	0.249	6	0.0416
3. PDU 4 Failure	0.224	6	0.0374
4. Excess Water Vapor Pressure in Cabin	0.110	15	0.0073
5. TCCS Auxiliary Fan at Reduced Capacity	0.027	4	0.0069
6. TCCS Auxiliary Fan #2 Failure	0.082	20	0.0041
7. Fuel Cell #1 and PDU Failure	0.050	14	0.0036
8. TCCS Auxiliary Fan #1 Failure	0.037	20	0.0019
9. Reduced Main Cabin Fan #1 Capacity	0.007	4	0.0019
10. TCCS Filter Clog	0.027	18	0.0015
11. Trace Contaminants	0.027	20	0.0014
12. CDRA Failure	0.017	15	0.0012
13. Emergency O2 System Maintenance	0.000	8	0.0000
14. Fuel Cell Degrade	0.000	8	0.0000
15. Fuel Cell Failure	0.000	8	0.0000

15 of 31 · ★ truth · ▸ attempted · highlight = first pick · P=0 if unscored at first decision