(o)  
Make sure that the LE slats remain in the full extend position.

 (p)  
Release the AIR SENSING test switch.

 (q)  
Make sure that the LE slats retract to the intermediate extend position.

 (r)  
Make sure that the LE FLAPS TRANSIT light goes off.

 (s)  
Make sure that the LE FLAPS EXT light comes on.

 F.  
Put the Airplane in Its Initial Condition

 S 865-045-002
 (1)  
Move the flap control lever to the UP detent and let all flaps and slats retract.

 (a)  
Make sure that the flaps and slats fully retract.

 (2)
Release the pressure from hydraulic system B (AMM 27-81-00/201).

 S 865-046-002
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH STALL MANAGEMENT ú

 27-83-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 865-047-002
 (3)  
Close these circuit breakers:

 (a)  
P6 Panel 1) STBY HYD PUMP NORMAL 2) STBY HYD PUMP ALT 3) HYD SYSTEM PTU/LG BYP V CONT 1 4) HYD SYSTEM PTU/LG BYP V CONT 2

 (b)  
P18 Panel
 1) LEFT ALPHA VANE HEATER
 2) RIGHT ALPHA VANE HEATER

 S 865-048-002
 (4)  Remove electrical power (AMM 24-22-00/201).
 TASK 27-83-00-735-001-002
 3. System Test - Leading Edge Autoslat System
__________________________________________
 A. Special Tools and Equipment
 (1)  
Portable Calibrator - F72786-181. Two are necessary.

 B.
References

 (1)  
24-22-00/201, Manual Control

 (2)  
27-32-00/501, Stall Warning System

 (3)  
27-81-00/201, Leading Edge Flap and Slat Control System

 C.
Access

 (1)  
Location Zone
 101, 102 Control Cabin
 202 Lower Nose Compartment
 205 Electronic Compartment

 (2)  
Access Panel
 1201 Electronic Equipment Access Door

 D.
Procedure

 S 865-002-002
 (1)  
Supply electrical power (Ref 24-22-00/201).

 S 735-003-002

 (2)  
Do this task: "System Test - Stall Warning System" (AMM 27-32-00/501).

 NOTE: It is not necessary to remove hydraulic power or to remove
____ the test calibrators at the end of the System Test for the stall warning system.
 S 865-004-002
 (3)
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
P18 Panel
 1) L ALPHA VANE HTR

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 2) R ALPHA VANE HTR
 3) SMC STALL WARN ASYM MODE

 S 715-005-002
 (4)  
Do a check of the indicator lights for the autoslat system:

 (a)  
Make sure that the AUTOSLAT FAIL light (P5 panel) is off.

 (b)  
Push and hold the AUTOSLAT FAIL light.
 1) Make sure that the AUTOSLAT FAIL light is on.

 (c)  
Release the AUTOSLAT FAIL light.
 1) Make sure that the AUTOSLAT FAIL light is off.

 (d)  
Set the LIGHTS switch (P1 or P2 panel) to TEST. 1) Make sure that the left and right MASTER CAUTION lights (P7 pilots' lightshield) are on. 2) Make sure that the FLT CONT light (on the left master

 caution annunciator, P7 pilots' lightshield) is on. 3) Make sure that the AUTOSLAT FAIL light (P5 panel) is on.

 (e)  
Set the LIGHTS switch to BRT.

 (f)  
Push one of the two MASTER CAUTION lights (this does a master caution reset). 1) Make sure that the AUTOSLAT FAIL light, the FLT CONT light,
　
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