C. Prepare to Examine the Firewall and Fireseal
S 012-010-B00
WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO REMOVE THE ENGINE.
_______ IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS AND DAMANGE TO EQUIPMENT CAN OCCUR.
(1) Remove the power plant (AMM 71-00-02/401).
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D.
E.
F.
A
737-300/400/500MAINTENANCE MANUAL
S 012-012-B00
(2) Remove the strut access doors along the bottom of the strut
(AMM 54-31-01/401).Examine the Strut Fireseal and Heat Shield Blankets
S 212-013-B00
(1) Examine the heat shield blankets on the strut. Look for crack, tears, damage, deterioration, parts which are loose or gone.
(a)
Look for cracks, tears, damage, deterioration, and parts which are loose or gone.
(b)
If you find any of the above damage, replace the heat shield blanket.
S 212-014-B00
(2) Examine the hydraulic fitting connection on the fan cowl support beam.
(a) Make sure fitting flanges are covered with sealant.
NOTE: Make sure the sealant covers the area between the flange
____ and the heat shield blanket. The sealant should be about 0.10-0.15 inches in thickness.
Examine the Strut Firewall.
S 212-015-B00
(1) Examine the structure for cracks, nicks, dents or other damage (SRM 54-50-02).
(a) If you find these conditions, repair the firewall.
S 212-016-B00
(2) Examine the top surface of the firewall for contamination.
(a) If you find contamination, clean the top surface of the firewall.
S 212-017-B00
(3) Examine the drain tubes at the aft of the strut for damage.
(a) If the drain tubes are damaged, replace them.
S 212-018-B00
(4) Examine the drain inlets for blockage.
(a) If the drain inlets were blocked, examine the strut drain tube
and sealant (AMM 54-11-00/601).Put the airplane back to its usual condition.
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A 737-300/400/500MAINTENANCE MANUAL
S 162-019-B00
CAUTION: MAKE SURE YOU REMOVE ALL TOOLS AND UNWANTED MATERIALS FROM THE
_______ STRUT CAVITIES. IF OBJECTS ARE IN THE STRUT COMPARTMENTS, THEY CAN STOP THE REMOVAL OF THE FLUIDS THROUGH THE STRUT DRAINS. IF YOU DO NOT REMOVE THE UNWANTED MATERIALS, YOU CAN CAUSE DAMAGE TO THE STRUT.
(1)
Remove all tools and unwanted materials from the strut cavities before you install the access doors.
S 412-020-B00
(2)
Install the access doors on the strut (AMM 54-31-01/401).
S 412-021-B00
(3)
Install the power plant (AMM 71-00-02/401).
TASK 54-52-00-022-044-B00
3. Aft Heat Shield Blanket Removal_______________________________
A. General
(1) This blanket is on the bottom side of the strut, forward of the spar fitting (NSTA 276.60).
B. References
(1)
AMM 54-31-01/401, Nacelle Strut Access Panels
(2)
AMM 78-11-01/401, Turbine Exhaust Sleeve
C. Access
(1)
Location Zone
500 Left Nacelle
600 Right Nacelle
(2)
Access Panel
5723 Access Door - Left Nacelle
5823 Access Door - Right Nacelle
5724 Access Door - Left Nacelle
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