YES
1 VISUALLY CHECK PNEUMATIC SYSTEM DUCTING, HPT CLEARANCE
CONTROL COOLING AIR TUBING,
AND HPT-LPT COOLING AIR TUBES
FOR SUBSTANTIAL LEAKAGE
SOURCES (71-00-58, FIG. 107).
ARE SUBSTANTIAL LEAKAGE SOURCES FOUND?
COMPONENTS AS REQUIRED.
High EGT/Takeoff Thrust EGT Limited - High Nacelle Temperature
Figure 105
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
PREREQUISITES NONE
AUTO DECEL
1 VISUALLY CHECK ENGINE
INLET FOR FOD AND EXHAUST AREA
FOR METAL PARTICLES.
IS FOD OR METAL PARTICLES FOUND?
YES
21 REPAIR/REPLACE ENGINE
(71-00-02) AS REQUIRED.
IF FOD FOUND, REFER TO BIRD STRIKE/FOD TROUBLE SHOOTING (71-00-47).
Auto Decel
Figure 106
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
PREREQUISITES NONE
FLAMEOUT WITH UNSUCCESSFUL RESTARTWITH FUEL FLOW INDICATION
INLET FOR FOD AND EXHAUST
AREA FOR METAL PARTICLES.
IS FOD OR METAL PARTICLES
FOUND?
NO
YES
3 EXAMINE THE MAGNETIC CHIP
DETECTORS (AMM 79-00-00/601).
ARE INDICATIONS OF INTER-NAL ENGINE/GEARBOX FAILURE
FOUND?
NO
YES
5 EXAMINE THE AIRPLANE FUEL
SYSTEM FOR WATER
(AMM 12-11-00/301).
IS WATER FOUND?
NO
NO
6 EXAMINE THAT FUEL PUMP 37 REPLACE THE FUEL PUMP IMPELLER TURNS (AMM 71-00-59/101, FIG. 102).
DOES IMPELLER TURN?
YES
NO
9 EXAMINE THE AIRPLANE FUEL
FEED SYSTEM (AMM 28-22-00/
101).
IS THE OPERATION OK?
YES
YES
11 EXAMINE THE ENGINE FUEL
FILTER CARTRIDGE
(AMM 73-11-02/601).
IS THERE ANY TRACE OF
BRONZE IN FILTER?
NO
YES
13 EXAMINE THE AIRPLANE AND
STRUT FOR FUEL SYSTEM LEAKS
(AMM 28-22-41/401).
ARE LEAKS FOUND?
NO
SEE SHEET 2 (BLOCK 15) (AMM 71-00-02/401) AS NECESSARY.
IF FOD IS FOUND, REFER TO BIRD STRIKE/FOD TROUBLE-SHOOTING (AMM 71-00-47/001).
Flameout with Unsuccessful Restart with Fuel Flow Indication
Figure 107 (Sheet 1)
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ú Mar 15/98
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FROM SHEET 1 (BLOCK 13)
INCLUDING TUBE DRAIN HOLES FOR LEAKS, DAMAGE, OR BLOCKAGE (AMM 71-00-59/101, FIG. 104).
ARE LEAKS, DAMAGE, OR BLOCKAGE FOUND?
CDP TUBE AS REQUIRED.
NO
YES
17 BORESCOPE INSPECT BOOSTER, HPC 3RD-,5TH-, AND 9TH-STAGE BLADES COMBUSTION CHAMBER,
HPT BLADES AND 1ST-STAGE LPT
BLADES (AMM 72-00-00/601).
IS DAMAGE BEYOND ACCEP-
TABLE LIMITS FOUND?
NO
NO
19 REPLACE THE MEC
(AMM 73-21-01/401).
CAN ENGINE BE TRIMMED WITH
NORMAL PARAMETERS?
Flameout with Unsuccessful Restart with Fuel Flow Indication
Figure 107 (Sheet 2)
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