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71-00-00
ALL ú ú C02 Page 602 ú Mar 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 206-023-C00
(10) Examine the starter oil level.
(a) For an engine that experienced a hung start, look for carbon deposits that result from boiling and vaporizing oil.
S 206-024-C00
(11) For a starter that exceeds it's start duty cycle look, for carbon deposits that result from boiling and vaporizing oil.
(a) If found low/dark, service/replenish the starter as necessary.
S 216-011-C00
(12)
Examine the EGT harness assembly for cracks.
S 216-012-C00
(13)
Examine the engine pneumatic components.
(a)
Examine the anti-ice duct of the inlet cowl.
1) Look for insulation that has gone away.
2) Look for loose or broken calmps.
(b)
Examine the pneumatic ducts. 1) Make sure there is a clearance between the clamps on the
fifth and ninth-stage ducts and the VSV fuel manifold. 2) Look for loose or broken clamps. 3) Look for loose bolts. 4) Look for cracks or worn areas on the ducts.
(c)
Make sure there is a clearance between the starter air duct and the T2 sensor storage bracket.
S 216-013-C00
(14) Examine the engine fuel system.
(a)
Examine these components for fuel leakage and the correct installation. 1) The main engine control (MEC). 2) The fuel pump. 3) The servo fuel heater. 4) The VBV fuel gear motor. 5) The VSV actuators. 6) The CIT sensor. 7) The T2 sensor. 8) The fuel flow transmitter. 9) The fuel filter. 10) The fuel filter .P switch. 11) The HPT clearance control valve.
(b)
Examine the fuel lines for loose or broken clamps and leakage.
S 216-014-C00
(15) Examine the drain lines of the engine and strut for loose or broken clamps, leaks, and loose connections.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
71-00-00
ALL ú ú C03 Page 603 ú Mar 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 216-021-C00
(16)
Examine the throttle and fuel shutoff push-pull cables for worn areas, loose or broken clamps, and loose connections.
S 216-015-C00
(17)
Examine the engine mounts.
(a)
Examine the fittings for cracks or damage.
(b)
Do a check for corrosion and loose nuts and bolts.
(c)
Make sure the nut retainers are tight.
S 216-016-C00
(18)
Examine the hydraulic pump and the tubing.
(a)
Look for discoloration of the tubing in the nacelle area which is a sign that the fluid is too hot.
(b)
Look for leaks and make sure the mounts are tight.
S 216-017-C00
(19)
Examine the electrical wires for worn areas, broken insulation, loose connections, and loose or broken support clamps.
S 216-018-C00
(20)
Examine the Generator/CSD oil cooler for leaks and the correct installation.
S 416-019-C00
(21)
Close the thrust reversers (AMM 78-31-00/201).
S 416-020-C00
(22)
Close the fan cowl panels (AMM 71-11-02/201).
TASK 71-00-00-206-025-C00
3. Check Engine No. (1, 2) - Smoke/Fumes in the Cabin
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