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Chip Detector/Pressure Relief Door
The chip detector access door permits access to the chip
detectors. It also is a pressure relief door. It is on the left fan
cowl.
Vortex Control Device
The vortex control device smooths airflow around the wing. It is
on the inboard fan cowl.
Oil Tank Access Door
The oil tank access door permits access to the oil tank for
servicing. It is on the right fan cowl.
T12 Access/Pressure Relief Door
The T12 access/pressure relief door permits access to the T12
sensor. It is also a pressure relief door. It is on the right fan
cowl.
POWER PLANT - ENGINE COWLING
EFFECTIVITY
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D633A101-GUN Jun 10/2003
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
71-11-00-000
POWER PLANT - ENGINE COWLING
POWER PLANT - ENGINE COWLING
EFFECTIVITY
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D633A101-GUN Feb 10/2003
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
71-11-00-000
General
There are two fan cowls for each engine. Each fan cowl
attaches to the strut with three hinges.
The fan cowls are made of aluminum. The left fan cowl weighs
80 lbs (36 kg). The right fan cowl weighs 96 lbs (44 kgs).
Each fan cowl has two fan cowl hold open rods.
Fan Cowl Latches
Three fan cowl latches secure the left and right fan cowls
together. All latches are along the bottom of the fan cowls.
Fan Cowl Hold Open Rods
One end of each hold open rod attaches to the fan cowl. When
the cowl is closed, the other end attaches to a receiver on the
fan cowl. When the cowl is open, the other end attaches to a
receiver on the engine. Each hold open rod is telescopic.
Each hold open rod has a collar that locks the hold open rod in
place. A yellow lock indication shows when the hold open rod is
in the locked position.
Fan Cowl Hinges
Each fan cowl hinge has these components:
* Fan cowl clevis
* Quick release pin
* Strug lug.
Each fan cowl clevis is on the fan cowl. All strut lugs are on the
strut. The quick release pins make it easy to remove a fan cowl.
POWER PLANT - FAN COWL
EFFECTIVITY
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D633A101-GUN Oct 10/2002
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
71-11-00-001
POWER PLANT - FAN COWL
POWER PLANT - FAN COWL
EFFECTIVITY
GUN ALL 71-11-00
Page 5
D633A101-GUN Feb 10/2003
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
71-11-00-001
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