What happened: Oxygen left the cabin through a leak the books did not know about. Oxygen and total mass stopped balancing.
Status: Alarm — the books did not balance.
Ticket id: rcpt_a8cd4ebb37
Fault: cabin_leak
When (simulation step): Step 30 · scenario cabin_leak
Species out of balance: oxygen (O₂), total mass
| Book | Residual (kg) |
|---|---|
| O₂ | -0.000499999999997945 |
| CO₂ | 0.0 |
| H₂O | -3.265759245061478e-15 |
| total | -0.0005000000000012107 |
This is a practice / research receipt from our mass ledger. Not NASA-validated as a whole. Some input rates are cited from a public NASA document; others are labeled ASSUMPTION.