(v)  
Depress warning horn reset switch. Ensure aural warning horn stops sounding and right main gear red warning light remains on.

(w)  
Advance throttle No. 2 all the way forward.

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BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

(x)  
Remove slug and shield from right main gear and repeat steps (r) through (t) for left main gear. Ensure the following lights are on: right main gear red warning light; right main gear green indicator light; nose gear red warning light; nose gear green indicator light. Ensure the following lights are off: left main gear red warning light; left main gear green indicator light.

(y)  
Retard throttle No. 1 to idle stop. Ensure the left main gear red warning light comes on and the aural warning horn sounds.

(z)
Retract flaps to the full up position. Ensure aural warning horn stops sounding.
(aa) Remove slug and copper shield.
(ab) Place landing gear lever in DN position.
(ac) Set the parking brake.
(ad) Depressurize hydraulic systems A and B (Ref 29-11-0 and 29-12-0).

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(3)  
Deleted.

(4)  
Test takeoff warning function of landing gear electrical module.

(a)  
Pressurize hydraulic systems A and B (Ref 29-11-0 and 29-12-0).

(b)  
Ensure flaps are in full up position.

(c)  
Advance engine No. 2 throttle to a position more than 25 degrees above idle stop. Open ENGINE NO. 2 EPR & LG WARNING circuit breaker. Ensure interrupted warning horn sounds.

(d)  
Extend flaps to full down. As flaps extend, ensure warning horn stops sounding as flaps extend to the 1-unit position, remains silent as flaps extend to the 25-unit position, and sounds as flaps extend more than the 25-unit position.

(e)  
Press AIR SENSING TEST switch on front of landing gear electrical module. Ensure warning horn stops sounding and ON-IN-FLIGHT light on front of landing gear electrical module comes on.

(f)  
Retard throttle and release AIR SENSING TEST switch. Ensure ON-IN-FLIGHT light goes off.

(g)  
Depressurize hydraulic systems A and B (Ref 29-11-0 and 29-12-0).

(h)  
Close ENGINE NO. 2 EPR & LG WARNING circuit breaker.

(5)  
Test antiskid function of landing gear electrical module.

(a)  
Ensure ANTISKID TEST, OUTBOARD ANTISKID, INBOARD ANTISKID circuit breakers on P6 panel are closed.

(b)  
Ensure wheel chocks are in place and release parking brake. Ensure lights on the front of the landing gear electrical module and the antiskid module are off.

NOTE: Disregard the antiskid lights in the control cabin for this test.

(c)  
Push SYSTEM TEST switch on the front of the antiskid module to the left position and then to the right position. Ensure all lights on the front of the antiskid module remain off with switch in either left or right position.

(d)  
Set parking brake. Check that parking brake light comes on and all other lights remain off.

(e)  
Push SYSTEM TEST switch to the left position. Check that right inboard and the right outboard lights come on.

(f)  
Release SYSTEM TEST switch. Check that left inboard and left outboard lights come on momentarily. All four lights should then go off.

(g)  
Push SYSTEM TEST switch to the right position. Check that left inboard and left outboard lights on the module come on.

(h)  
Release SYSTEM TEST switch. Check that right inboard and right outboard lights come on momentarily. All four lights should then go off.

(I)  
Press and hold AIR SENSING TEST switch on the front of the landing gear electrical module. Check that air sensing ON-IN-FLIGHT light comes on and all four lights on the antiskid module come on.

(j)  
Release parking brake and push SYSTEM TEST switch to the left position while depressing AIR SENSING TEST switch. Check that right inboard and left inboard lights on the antiskid module come on.

(k)  
Release all switches and check that all lights on both modules go off.
　
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