Originally Posted by
B777lover
Hi all, long time viewer first time posting. For a yaw dampner inop flight do we consider the descent lets say we are at FL 310 and descend due yaw damp inop FL 280 do we consider this descent? it seems in some cases its required and some not. Thanks!
En-route descents are NOT required for any abnormal situation. This includes: DP, 1-INOP and Yaw Damper INOP. However, en-route descent planning is required for an 'air conditioning INOP' situation to either FL250 (east) or FL240 (west).