(9)
 Install the blanking plug (28) to the APU fuel feed pipe (29).

 (10)
 Attach the APU fuel feed pipe (29) to the bracket on the bulkhead with lockwire-corrosion resistant steel 0.8 mm (0.032 in.) dia..

 (11)
 Install the blanking plugs on the APU access door 316AR drain interfaces.

 (12)
 Install the exhaust muffler plug (32) to the APU exhaust outlet (33).

 (13)
 Install the blanking plug (27) to the exhaust muffler drain (30).

 (14)
 Install the bleed-air duct plug (35) to the bleed air duct (24) with the tie-rods (23), the bolts (34), the washers (36) and the nuts (37).

 (15)
 Install the oil-cooler outlet-duct plug (31) on door 315AL with the screws (26) and the washers (25).