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____ replace it. You must compare the removed lever arm with a new lever arm in an optical comparator to find the angle of the bend or twist. You must compare them as soon as possible in the maximum service extension permitted (4° or more of bend or twist to the vane) to schedule for an engine replacement, if it is necessary.
 1)  Bends or twists that cause less than 4° of vane off-scheduling, replace the lever arm (AMM 72-35-00/801).
 2)  Bends or twists that cause 4° or more of vane off-scheduling, replace the engine (AMM 71-00-02/401): a) A maximum service extension of 10 cycles or 25 hours is
 permitted if you replace the lever arm (AMM 72-35-00/801).
 (c)  Stator vanes that are loose:
 1)  There is no maximum limit of radial and side motion if the bushing is there and there is no metal-to-metal contact. a) Replace the bushing if it is gone (AMM 72-35-00/801).
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 72-35-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
b)  If the metal touched metal, replace the engine (AMM 71-00-02/401).
 NOTE:____Shake the vane stem. Listen for metal that touches metal.
 2)  A maximum service extension of 10 cycles or 25 hours is permitted before you replace the engine. a) If the metal did not touch the metal on more than 50%
 of the vanes and the bushings are replaced on all the vanes that did touch the metal (AMM 72-35-00/801).
 (d)  Nicks, dents and scratches in the lever arms:
 1) Area A is not serviceable.
 a) Replace the lever arm (AMM 72-35-00/801).

 2)  Area B with more than 0.010 inch (0.25 mm) in depth after the removal of all burrs if the bottom of the defect does not have a sharp-point. a) Replace the lever arm (AMM 72-35-00/801).
 3)  Area C (does not include the pin) with more than 0.002 inch
 (0.05 mm) in depth.
 a) Replace the lever arm (AMM 72-35-00/801).

 S 216-010-C00
 (6)  Examine the 1st- and 2nd-stage stator vanes for damage:
 (a)  
Cracked or broken lever arms are not serviceable.
 1) Replace the engine (AMM 71-00-02/401).

 (b)  
Bent or twisted lever arms:

 NOTE: If you see bends or twists in the lever arm, you must
____ replace it. You must compare the removed lever arm with a new lever arm in an optical comparator to find the angle of the bend or twist.
 1) Bends or twists that cause 4° or less of vane off-scheduling, replace the lever arm (AMM 72-35-00/801): 2) Bends or twists that cause 4° or more of vane off-scheduling, replace the engine (AMM 71-00-02/401):
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 72-35-00
 ALL  ú ú C01 Page 606 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(c)  Stator vanes that are loose:
 1)  There is no maximum limit of radial and side motion if the bushing is there and there is no metal-to-metal contact. a) Replace the bushing if it is gone (AMM 72-35-00/801). b) If the metal touched metal, replace the engine
 (AMM 71-00-02/401).
 NOTE:____Shake the vane stem. Listen for metal that touches metal.
 2)  A maximum service extension of 10 cycles or 25 hours is permitted before you replace the engine. a) If the metal did not touch the metal on more than 50%
 of the vanes and the bushings are replaced on all the vanes that did not touch the metal (AMM 72-35-00/801).
 (d)  Nicks, dents and scratches in the lever arms:
 1) Area A is not serviceable.
 a) Replace the lever arm (AMM 72-35-00/801).

 2)  Area B with more than 0.010 inch (0.25 mm) in depth after the removal of the burrs if the bottom of the defect does not have a sharp-point. a) Replace the lever arm (AMM 72-35-00/801).
 3)  Area C (does not include the pin) with more than 0.002 inch
 (0.05 mm) in depth.
　
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