wing adapter plug. See Figure 1.

3.  
RED AND GREEN STEADY POSITION LIGHTS (Forward Position Light) The wing tip forward position light is relocated to the inboard leading edge of the winglet.

See Figure 1.

4.  
WIRING DIAGRAMS

Refer to AP57.2-0615 WDM Supplement for the wiring diagram from the OSS 838.37 leading edge seal rib to the winglet steady position lights.
The airplane’s wiring inboard of OSS 838.37 remains unchanged. Refer to WDM 33-43-11 for left wing, and WDM 33-43-12 for right wing.
5.  FUNCTIONAL DESCRIPTION Functional description does not change.
Aviation Partners Boeing
757-200
MAINTENANCE MANUAL SUPPLEMENT
 Part I

Figure 1
 Position Lights

Aviation Partners Boeing
757-200
MAINTENANCE MANUAL SUPPLEMENT
 Part I

FT-1348 Transformer Upper Wing Skin
WBL 740.00 Inboard Adapter Rib
Figure 2
Steady Position Light Transformer

Aviation Partners Boeing
757-200
MAINTENANCE MANUAL SUPPLEMENT
 Part I

EXTERIOR LIGHTING

WINGLET ANTI-COLLISION (STROBE) LIGHTS

1. General
A.  The strobe position lights on each wing tip have been relocated from the wing tip to the winglet as shown in Figure 1.
2.  Winglet Anti-collision (Strobe) Light
A.  One anti-collision (strobe) light is installed on the outboard surface of each winglet, below the tip fairing. The strobe light assembly power supply is located in the adaptor plug leading edge cavity just inboard of the winglet.  See Figure 2.
B.  The winglet strobe light utilizes the existing wiring system of the replaced wing tip strobe position light, with the following exceptions:
3.  
A strobe light power supply unit is installed in the adaptor plug leading edge, one per wing. See Figure 2.

4.  
Wire termination connectors are added for power supply wire harness extension connection.

5.  
Wiring Diagram

A.  Refer to AP57.2-0615 WDM Supplement for the wiring diagram from the OSS 838.37 leading edge seal rib to the winglet anti-collision (strobe) light.
B.  The wiring diagram inboard of OSS 838.37 leading edge seal rib does not change, refer to airplane WDM 33-44-21.

6.  
Functional Description

A.  Does not change.
Aviation Partners Boeing
757-200
MAINTENANCE MANUAL SUPPLEMENT
 Part I

Winglet Anti-collision (Strobe) Light
Figure 1 Exterior Lighting, Anti-collision (Strobe) Light, Winglet
Aviation Partners Boeing
757-200
MAINTENANCE MANUAL SUPPLEMENT
 Part I

WBL 758.00
Closure Rib

Adapter Plug
Winglet not shown
UP
Strobe Light Power Supply
INBD
Figure 2 FWD
　
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