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(e) Tears, nicks, dents, missing material and erosion on the leading and trailing edge of stages 1-4 compressor blade found in the upper 75% of the airfoil. 1) Tears are not serviceable, do the approved repairs
(AMM 72-00-00/801)
2) No maximum number of nicks, missing material and erosion if the damage is less than 0.04 inch (1.02 mm). a) A maximum service extension of 10 cycles or 25 hours is
permitted if the damage is more than 0.04 inch (1.02 mm) but less than 0.08 inch (2.03 mm). b) Perform approved repairs (AMM 72-00-00/801).
3) No maximum number of dents if the damage is less than 0.04 inch (1.02 mm) maximum depth or 0.06 inch (1.52 mm) maximum deflection from original contour. a) A maximum service extension of 10 cycles or 25 hours is
permitted if the damage is more than 0.04 inch
(1.02 mm) but less than 0.08 inch (2.03 mm) in depth, or less than 0.06 inch (1.52 mm) deflection from original contour.
b) Conditions in the maximum service extension limits can be repaired (AMM 72-00-00/801).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
72-00-00
ALL ú ú C02 Page 622 ú Jul 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
HPC Blades (1st- thru 9th-Stages) - Inspection
______________________________________________
4) Missing corners of the tip. a) Do a borescope inspection of the downstream stages. b) No maximum number if the downstream damage is
serviceable.
(f) Tears, nicks, dents, missing material and erosion on the leading and trailing edge of stages 5-9 compressor blade found in Dimension B. 1) No maximum number of tears, nicks, missing material and
erosion if the damage is less than 0.04 inch (1.02 mm). a) A maximum service extension of 10 cycles or 25 hours is permitted if the damage is more than 0.04 inch
(1.02 mm) but less than 0.08 inch (2.03 mm). b) Perform approved repairs (AMM 72-00-00/801).
2) No maximum number of dents if the damage is less than 0.04 inch (1.02 mm) maximum depth or 0.06 inch (1.52 mm) deflection from original contour. a) A maximum service extension of 10 cycles or 25 hours is
permitted if the damage is more than 0.04 inch
(1.02 mm) but less than 0.08 inch (2.03 mm) in depth, or less than 0.06 inch (1.52 mm) deflection from orignal contour.
b) Conditions in the maximum service extension limits can be repaired (AMM 72-00-00/801).
(g) Tears, nicks, dents, missing material and erosion on the leading and trailing edge of stages 5-9 compressor blade found in Area A. 1) No maximum number of tears, nicks, missing material and
erosion if the damage is less than 0.06 inch (1.52 mm). a) A maximum service extension of 10 cycles or 25 hours is permitted if the damage is more than 0.06 inch
(1.52 mm) but less than 0.10 inch (2.54 mm). b) Perform approved repairs (AMM 72-00-00/801).
2) No maximum number of dents if the damage is less than 0.06 inch (1.52 mm) maximum depth or 0.08 inch (2.03 mm) maximum deflection from original contour. a) A maximum service extension of 10 cycles or 25 hours is
permitted if the damage is more than 0.06 inch
(1.52 mm) but less than 0.10 inch (2.54 mm) in depth, or less than 0.08 inch (2.03 mm) deflection from original contour.
b) Conditions in the maximum service extension limits can be repaired (AMM 72-00-00/801).
3) Missing corners of the blade tip. a) Do a borescope inspeciton of the downstream stages. b) No maximum number if the downstream damage is
serviceable.
(h) Bending, tears, nicks, dents, missing material, burrs and erosion found on the compressor blade tip in any amount is serviceable.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
72-00-00
ALL ú ú C02 Page 623 ú Jul 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
HPC Blades (1st- thru 9th-Stages) - Inspection
______________________________________________
(i) Curl on the end of the blade. 1) 25% of the stages 1-4 blade chord when it does not engage the stationary parts during operation.
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737-300 400 500 AMM 飞机维护手册 ENGINE 发动机 1(22)
