TM 55-1510-221-CL
3.
Bleed air valve switches - ENVIRO OFF.
4.
Cabin pressure dump switch - CABIN PRESS DUMP.
5.
Cabin emergency hatch - Remove and stow.
6.
Seat belts and harnesses - Secured.
7.
Nonessential electrical equipment - OFF.
8.
Touchdown - On safe main gear first.
9.
Power levers (runway assured) - IDLE.
10.
Condition levers - FUEL CUTOFF.
11.
Fire pull handle - Pull.
12.
Master switch - OFF.
CRACKED WINDSHIELD
EXTERNAL CRACK
No action is required in flight.
INTERNAL CRACK
1.
Descend to below 25,000 feet.
2.
Cabin Pressure - Reset pressure differential to 4 PSI or less within 10 minutes.
CRACKED CABIN WINDOW
CRACKED CABIN WINDOW (OUTER PANEL)
1.
Descend to below 25,000 feet.
2.
Cabin pressure - 4.6 PSI maximum.
3.
Do not operate more than 20 flight hours.
CRACKED CABIN WINDOW (INNER PANEL)
1.
Oxygen - As required.
E-15
