TM 55-1510-220-10 9-30.  FLIGHT CONTROLS MALFUNCTION. Use   the   following   procedures,   as   applicable,   for flight control malfunctions. a. Autopilot/Yaw Damp Emergency Disconnection. The autopilot can be disengaged by any of the following methods: (1) Pressing    the    DISC    TRIM    -    AP    -    YD disconnect switch (control wheels). (2) Moving   the   autopilot   engage-disengage switch (autopilot mode selector control panel) to the DIS position. (3) Pressing the go-around switch (left power lever), (yaw damper will remain on). (4) Pulling  the  AP  PWR  and  AFCS  DIRECT circuit breakers (overhead control panel). (5) Setting AVIONICS MASTER PWR switch (overhead control panel) to the OFF position. (6) Setting aircraft MASTER switch (overhead control panel) to the OFF position. b. Unscheduled  Rudder  Boost  Activation.   Rudder boost   operation   without   a   large   variation   of   power between   engines   indicates   a   failure   of   the   system. Perform the following: (1) Rudder boost - OFF. NOTE The  rudder  boost  system  may  not  operate when   the   brake   deice   system   is   in   use. Availability of the rudder boost system will be   restored   to   normal   when   the   BRAKE DEICE switch is turned off. IF CONDITION PERSISTS: (2) Bleed    air    valve    switches    -    PNEU    & ENVIRO OFF. 3. Rudder trim - Adjust. c. Unscheduled   Electric   Elevator   Trim.      In   the event of unscheduled electric elevator trim, perform the following: 1. Elevator trim switch - OFF. 2. Elevator trim circuit breaker - Out. 9-31.  BAILOUT. When  the  decision  has  been  made  to  abandon  the aircraft  in  flight,  the  pilot  will  give  the  warning  signal. Exit from the aircraft will be through the main entrance door,   and   in   the   departure   sequence   using   the   exit routes as indicated in figure 9-1.  Proceed as follows if bailout becomes necessary: 1. Notify crew to prepare to bail out. (2) Distress message - Transmit. (3) Voice security - ZEROIZE. (4) Transponder- 7700. 5. Flaps - DOWN. 6. Airspeed- 100 KIAS. 7. Trim - As required. 8. Autopilot - Engage. (9) Cabin pressure switch - DUMP. 10. Parachute - Attach to harness. 11. Cabin door- Open. 12. Abandon the aircraft. 9-18