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Figure 10-4.  Fuel Tubing Elbow Repair (One Time Flight)
Figure 11-1.  Flight Controls Assessment Logic

TM-1-1520-240-BD Army CH-47D Heilcopter (NSN 1520-01-088-3869) (EIC:RCD) Manual
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TM 1-1520-240-BD CHAPTER 11 FLIGHT CONTROLS SYSTEM SECTION I.  GENERAL 11-1.      INTRODUCTION .      This      chapter      provides methods for assessing battle damage, deferring damage,   and   repairing   flight   control   systems.      The primary emphasis is on providing the assessor with the proper   guidance   to   perform   the   assessment   process. Simplified  logic  trees  and  related  illustrations  will  also aid the assessor. SECTION II.  DAMAGE ASSESSMENT 11-2.  DAMAGE ASSESSMENT PROCEDURE.  When combat damage is sustained, the pilot will be debriefed to determine the presence of any abnormal behavior in the  flight  control  systems.    This  will  aid  in  determining the   extent   of   damage.      All   cables,   tumbuckles,   fair- leads,  pulleys,  bellcranks,  and  pushrods  in  the  entire damaged    area    will    be    inspected    and    the    damage evaluated before beginning repairs.  See Figure 11-1 for assessment logic. SECTION III.  BATTLE-DAMAGE REPAIRS 11-3.   DEFERMENT.    Scheduled  maintenance  may  be deferred.  Unscheduled maintenance, such as the repair of   systems   and   subsystems   which   are   not   critical   to mission  accomplishment,  may  be  deferred  if  safety  of flight is not significantly degraded. 11-4.  CONTROL RODS.  RefertoTM55-1520-240-23. 11-1







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