(4)  
Open the thrust reversers (AMM 78-31-00/201).

 D.
Examine the EEC Wire Harnesses

 S 216-003-N00
 (1)  Visually examine the EEC wire harnesses for all types of damage.
 NOTE: If the ground lead on the W6 cable at the EGT Thermocouple
____ Terminal Box is damaged or missing, you must repair the cable per Unison SB 420081-73-46 or replace it.
 (a)  Replace the applicable EEC wire harness if it is necessary (AMM 73-21-07/401).
 S 286-004-N00
 (2)  
Examine the EEC wire harnesses for loose electrical connectors,
 backshells, and coupling nuts.

 (a)  
If it is necessary, tighten the loose electrical connectors, backshells, and coupling nuts.

 (b)  
If it is necessary, replace the applicable EEC wire harness (AMM 73-21-07/401).

 S 216-006-N00
 (3)  
Make sure the backshells are correctly installed with the lockwire.

 (a)  
If it is necessary, replace the lockwire.

 E.
Put the Airplane Back to Its Usual Condition.

 S 416-018-N00
 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU CLOSE THE
_______
 THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS,
 INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.

 (1)  
Close the thrust reversers (AMM 78-31-00/201).

 (2)  
Close the core cowl panels (AMM 71-11-06/201).

 (3)  
Close the fan cowl panels (AMM 71-11-04/201).

 S 416-017-N00
 S 416-016-N00
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 73-21-07
 ALL  ú ú N01 Page 602 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 446-015-N00
 (4)  Do the activation procedure for the thrust reverser (AMM 78-31-00/201).
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 73-21-07
 ALL  ú ú N01 Page 603 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
EEC PROGRAMMING PLUG - REMOVAL/INSTALLATION
___________________________________________
 1.  General
_______
 A.  This procedure gives the instructions to remove and install the EEC programming plug.
 B.  The EEC programming plug is connected to the EEC at the top aft corner. The EEC is installed on the fan case at the 2 o'clock position.
 C.  You can get access to the EEC programming plug through the right fan cowl panel.
 TASK 73-21-08-004-001-N00
 2.  Remove the EEC Programming Plug
_______________________________
 A.  References
 (1)  
AMM 71-11-04/201, Fan Cowl Panels

 (2)  
IPC 73-21-04 Fig. 1

 B.  
Access

 (1)  
Location Zone
 412 Engine 1 - Fan Case 2 o'clock
 422 Engine 2 - Fan Case 2 o'clock
 432 Engine 3 - Fan Case 2 o'clock
 442 Engine 4 - Fan Case 2 o'clock

 (2)  
Access Panel
 414 Right Fan Cowl Panel - Engine 1
 424 Right Fan Cowl Panel - Engine 2
 434 Right Fan Cowl Panel - Engine 3
 434 Right Fan Cowl Panel - Engine 4

 C.  
Prepare to Remove the EEC Programming Plug

 S 864-014-N00
 (1)  
For the applicable engine, open these circuit breakers and install the DO-NOT-CLOSE tags:

 (a)  
P6 Main Power Distribution Panel
 1) 6G15 SCU ALT PWR ENG 1
 2) 6G23 ENG SCU 1

 BB TMA 2774/F/2546H/Ed

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-08
 ALL  ú ú N03 Page 401 ú Oct 18/99
　
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