TM 1-1510-254-CL
3. CONDITION lever -- As required.
4. TCAS -- TA Only as required.
5. Engine cleanup -- As required.
ENGINE ANTI-ICE FAILURE (L OR R ENG
ICE FAIL ANNUNCIATOR ILLUMINATED)
1. ENGINE ANTI-ICE ACTUATOR switch
-- STANDBY.
IF ENG ICE FAIL ANNUNCIATOR DOES NOT EX-
TINGUISH:
2. Icing conditions -- Exit. Assume engine
anti-ice is still on for performance
calculations.
ENGINE BLEED AIR SYSTEM
MALFUNCTION L or R BL AIR
FAIL ANNUNCIATOR ILLUMINATED
1. BRAKE DEICE switch -- OFF.
2. BLEED AIR VALVES switch (affected
engine) -- INSTR & ENVIR OFF.
3. Cabin pressurization -- Check.
EXCESSIVE DIFFERENTIAL PRESSURE
1. Cabin pressurization controller -- Select
higher setting.
IF CONDITION PERSISTS:
2. LEFT BLEED AIR VALVE -- ENVIR
OFF. (L BL AIR FAIL advisory light
illuminated).
IF CONDITION STILL PERSISTS:
3. RIGHT BLEED AIR VALVE -- ENVIR
OFF. (R BL AIR FAIL advisory light
illuminated).
4. Descend -- As required.
IF UNABLE TO DESCEND:
5. Oxygen masks -- 100% and on.
E-7
