973、Release the pressure from the hydraulic system 释放液压系统的压力

515、Do not loosen the nut to align it.

514、Do not go into the engine test area without approval.

513、Do not do this procedure in the hangar.

512、Do not disassemble or repair igniter plugs.

511、Do an inspection of the damage and of the adjacent area

510、Do an inspection of the adjacent area

509、Distances shown are based on zero wind

508、Direction as to who land how to contact technical personnel at the manufacturers Plant, for assistance in repairing orreplacing items damaged and not covered by a standard repair.t

507、Detection system is used to detect and indicate the formation of ice.

506、De-energize the system.it