B-6 Page 2 of 2
MN-FLT-OH-201
Flight Crew Operations Manual Bulletin No. GOT-6 , Dated April 4, 2018 (continued)
Operating Instructions
If above FL230:
If the L VALVE or R VALVE light(s) illuminate with the master caution and
the amber ANTI-ICE light on the system annunciator panel, wait 20 seconds
after illumination of the master caution.
If both the L VALVE and R VALVE lights extinguish, continue normal
operations. No further crew action is needed. No maintenance logbook
write up is needed.
If the L VALVE or R VALVE light(s) remain illuminated, do the WING
ANTI-ICE L/R VALVE Non-Normal Checklist.
If FL230 and below:
If the L VALVE or R VALVE light(s) illuminate with the master caution and
the amber ANTI-ICE light on the system annunciator panel, do the WING
ANTI-ICE L/R VALVE Non Normal Checklist.
March 1, 2021