3.17 - CABIN ENVIRONMENT FAILURES

Question 1

CABIN PRESSURE WARNING

Answer 1

1. Check ∆P

if ∆p less than - 0.25psi:
a. reduce descent rate
b. CABIN PRESSURE switch - dump

if ∆p more than 6.35 psi
2. CABIN PRESSURE switch - dump
3. ACS EMERG shut off - Pull
4. MAIN OXY LEVER - ON
5. CREW MASKS - ON (Follow procedure to don the masks)
6. PAX OXY SELCT - AUTO OR ON
7. SYSTEN MFD PAX OXY - CONFIRM ON
8. INSTRUCT PAX TO DON MASKS
9. EMERGENCY DESCENT