(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 71-21-11-010-055
 B. Get Access
 (1) Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
 FOR 1000EM1
 437AL, 438AR
 FOR 1000EM2
 447AL, 448AR

 (2) Put the access platform in position. Subtask 71-21-11-040-051
 C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
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 Subtask 71-21-11-010-057

 D. Open the thrust reverser doors (Ref. TASK 78-36-00-010-040):
 FOR 1000EM1
 451AL, 452AR
 FOR 1000EM2
 461AL, 462AR

 4. Procedure
_________
 (Ref. Fig. 601/TASK 71-21-11-991-302, 602/TASK 71-21-11-991-305, 603/TASK 71-21-11-991-306, 604/TASK 71-21-11-991-307)
 Subtask 71-21-11-210-052
 A. Visual Inspection of the Forward Engine Mounts
 (1) Do a detailed visual inspection of the forward engine mount. Clean any dirt or unwanted material from the forward engine mount with a clean cloth. Use a flashlight and an inspection mirror to examine areas of the engine mount that are hard to see.
R (2) Do this inspection on those areas of the forward engine mount that R are visible without the removal of any hardware.
 -------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------R
R 1. Examine the two halves of the main beam, look for: (Ref. Fig. 602/TASK 71-21-11-991-305)
 A. Cracks  None permitted If cracks are found replace the mount (Ref. TASK 71-21-11-000-041) and (Ref. TASK 71-21-11-400-041).
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 Forward Engine Mount
 Figure 601/TASK 71-21-11-991-302

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 Forward Engine Mount Support Beam
 Figure 602/TASK 71-21-11-991-305

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 Forward Engine Mount Cross Beam
 Figure 603/TASK 71-21-11-991-306

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 Forward Engine Mount Link
 Figure 604/TASK 71-21-11-991-307

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 -------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
B. Nick, Scratch, Gouge  None permitted in the critical areas (Area A)  If damage is found replacethe mount (Ref. TASK 71-21-11-000-041) and (Ref. TASK 71-21-11-400-041).
 C. Nick, Scratch, Gouge  Maximum depth 0.05 in. (1.27 mm). Maximum length 0.25 in. (6.35 mm) in the non-critical areas. (Area B)  Make smooth the area per(Ref. CMM 712108). Adamage area can not bemade smooth more than onetime. 
R  2. Examine the cross
 beam, look for: (Ref. Fig. 603/TASK 71-21-11-991-306)
 A. Cracks  None permitted  If cracks are found replace the mount (Ref. TASK 71-21-11-000-041) and (Ref. TASK 71-21-11-400-041).
 B. Nick, Scratch, Gouge  None permitted in the critical areas (Area A)  If damage is found replacethe mount (Ref. TASK 71-21-11-000-041) and (Ref. TASK 71-21-11-400-041).
 C. Nick, Scratch, Gouge  Maximum depth 0.05 in. (1.27 mm). Maximum length 0.25 in. (6.35 mm) in the non-critical areas. (Area B)  Make smooth the area per(Ref. CMM 712108). Adamage area can not bemade smooth more than onetime. 
R  3. Examine the two links
 on the mount, look for:
 (Ref. Fig. 604/TASK 71-21-11-991-307)

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