B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 71-51-43-991-311 Fig. 406 71-51-43-991-312 Fig. 407
 3. Job Set-up
__________ Subtask 71-51-43-941-056
 A. Safety Precautions
 (1) On the center pedestal, on the ENG panel 115VU:

 (a) Put a warning notice to tell persons not to start the engine.

 (2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.

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 (3) On the overhead maintenance panel 50VU:

 (a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.

 (b) Put a warning notice to tell persons not to energize the FADEC 1(2).

 Subtask 71-51-43-865-068
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ENGINE/1 AND 2/IGN/SYS A 1JH A03 49VU ANTI ICE/PROBES/AOA/1 4DA1 D04 49VU ANTI ICE/PROBES/PITOT/1 3DA1 D02 49VU COM/CVR/SPLY 2RK E14 49VU COM/CVR/CTL 4RK E13
R  **ON A/C 001-049, 051-052, 054-056, 058-059, 061-099, 101-101, 103-149,
R  151-199, 201-299, 301-399, 401-499, Post SB 30-1037 For A/C 001-049,051-052,054-056,
 49VU ANTI ICE/RAIN/RPLNT/CAPT  1DB1 D01
 **ON A/C ALL
 121VU RCDR/DFDR 7TU K16 121VU HYDRAULIC/HYD POWER/Y 3803GX N30 122VU ANTI ICE/WINDOWS/R 4DG2 W14 122VU ANTI ICE/WINDOWS/L 4DG1 X14 122VU ANTI ICE/PROBES/2/PITOT 3DA2 Y14 122VU ANTI ICE/PROBES/2/AOA 4DA2 Y13 122VU ANTI ICE/PROBES/2/STATIC 5DA2 Y11 122VU ANTI ICE/PROBES/3/PITOT 3DA3 Z16 122VU ANTI ICE/PROBES/3/AOA 4DA3 Z15 122VU ANTI ICE/PROBES/3/STATIC 5DA3 Z14 122VU ANTI ICE/PROBES/1/STATIC 5DA1 Z13
R  **ON A/C 001-049, 051-052, 054-056, 058-059, 061-099, 101-101, 103-149,
R  151-199, 201-299, 301-399, 401-499, Post SB 30-1037 For A/C 001-049,051-052,054-056,
 122VU ANTI ICE/RAIN/RPLNT/F/O  1DB2 W11
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 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
**ON A/C ALL
 123VU Y HYD/ELEC/PUMP  3802GX  AB06
 123VU Y HYD/ELEC/ELEC PUMP/NORM  3801GX  AB03
 FOR 1000EM1
 49VU ENGINE/1/FIRE DET/LOOP A  7WD1  A06
 49VU ENGINE/1/FADEC A/AND EIU 1  2KS1  A04
 121VU ENGINE/IGN/ENG1/SYS B  3JH1  P41
 121VU ENGINE/IGN/ENG1/SYS A BAT  2JH1  P39

 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A 121VU ENGINE/ENG1/FIRE DET/LOOP B 121VU ENGINE/ENG1/FADEC B/AND EIU 1 122VU ELEC/GCU/1 FOR 1000EM2 49VU ENGINE/2/FIRE DET/LOOP B 49VU ENGINE/2/FADEC A/AND EIU 2 121VU ENGINE/IGN/ENG2/SYS B 121VU ENGINE/IGN/ENG2/SYS A BAT 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A 121VU ENGINE/ENG2/FADEC B 121VU ENGINE/ENG2/FIRE DET/LOOP A 122VU ELEC/GCU/2  2WE1 1WE1 8WD1 4KS1 2XU1 8WD2 2KS2 3JH2 2JH2 2WE2 1WE2 4KS2 7WD2 2XU2  Q44Q43Q38R41T26A07A05P42P40Q42Q41Q40Q39T27
 Subtask 71-51-43-010-059
 C. Get Access
 (1) Open the fan cowls: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR. FOR 1000EM2 447AL, 448AR.
 (2) Put the access platform in position.

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 4. Procedure
_________
 (Ref. Fig. 406/TASK 71-51-43-991-311, 407/TASK 71-51-43-991-312)
 Subtask 71-51-43-020-056
 A. Removal of the ECU (Channel A) Harness
 NOTE : To open the flip-lock clamps and line blocks, turn the captive
____ screws or captive bolts 1/4 turn counterclockwise to disengage the cam nuts.
R  NOTE : Loosely attach the clamp(s), anti-rotation lug(s) if applicable,____
R  and bolt(s) to the brackets from which they were removed to make
R  it easier for installation.
　
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