ATR 42 Model : 400/500
ENGINE AND WING PROTECTION
ICE AND RAIN PROTECTION
P 8
NOV 01
001
1.13
.
30
SYSTEM MONITORING
The following conditions are monitored by visual and aural alerts :
- LOW pressure in the de icing common air manifold (p < 14 PSI and t > 6s)
•
See AIRFRAME AIR BLEED FAULT procedure in chapter 2.05.09
- Distribution valve output controlled open but no downstream pressure detected or
controlled closed but downstream pressure detected.
•
See AIRFRAME or ENG, DE ICING FAULT procedure in chapter 2.05.09
- Power loss on a horn anti-icing unit
•
See HORNS ANTI ICING FAULT procedure in chapter 2.05.09
- MFC 1B or 2B and/or ADC failure. Discrepancy between outputs
•
See MODE SEL AUTO FAULT procedure in chapter 2.05.09
•
Boots do not operate following MFC failure or both boots A and B of the same
engine are supplied 200 sec after eng cycle beginning or Boots A(B) of both engines
are supplied while boots B(A) are not supplied 20 sec after eng. cycle beginning.
•
See DE ICING MODE SEL FAULT procedure in chapter 2.05.09
AA
R
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