-------------------------------------------------------------------------------| Component | Damage | Class of Damage | |------------------------|---------------------------|------------------------| | Webbing | - Dirt and contamination | - Allowable | | | long. | | |------------------------|---------------------------|------------------------| | Mesh Screen | - Cuts in the screen less | - Allowable | | (If Installed) | than 100.0mm (4.0 in.) | | | | long. | | | | - Cuts in the screen more | - Minor | | | than 100.0mm (4.0 in.) | | | | long. | | | | - Screen not attached to | - Allowable | | | the net for less than | | | | a total of 250.0mm | | | | (10.0 in.). | | | | - Screen not attached to | - Minor | | | the net for more than | | | | a total of 250.0mm | | | | (10.0 in.). | | -------------------------------------------------------------------------------
(3)
If you find damage that is classed as allowable damage:
-the strength of the net is not decreased
-
it is permitted to install the net in the aircraft
-
it can be used without limits to the weight and position of the installed cargo
-repair or replacement of the net is recommended, but not mandatory
-you must make marks on the damage that you do not repair
immediately, for subsequent inspection and repair.
(4)
If you find damage that is classed as minor damage:
-the strength of the net can be decreased
-a net or stanchion (if installed) can only be used in the aircraft with limits to the weight and position of the installed cargo
-you must refer to the Aircraft Weight and Balance Manual for the limits to be used for each type of damage
-repair or replacement of the net is recommended, but not mandatory
-
you must make marks on the damage that you do not repair
immediately, for subsequent inspection and repair.
-
you must attach a tag to the net to tell personnel the limits of the net.
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25-50-00Page 807
(5) If you find damage that is classed as major damage:
-the net is unservicable
-you must attach a tag to the net to tell personnel that the net is unservicable
-the net can only be repaired at the net manufacturers or at a workshop that is approved for these repairs by the local Aviation Authority.
Subtask 25-50-00-350-050
B. Repair of the Door Nets and the Divider Nets
(Ref. Fig. 803/TASK 25-50-00-991-017, 804/TASK 25-50-00-991-018)
NOTE : The nets can only be repaired at the net manufacturers or at a
____ workshop that is approved for these repairs by the local Aviation Authority.
(1)
Repair materials
(a) You must only use materials approved by the net manufacturer for the repair of the nets. These materials are (Ref. CMM 25-52-28):
-sewing thread, part number ST10-0800402 or ST20-0801201
-webbing, part number TW20-0512701
-fabric, part number TF60-0524122.
(2)
General repair data
(a)
You can connect double flag-stitch patterns with a loose thread, to give a continuous pattern. The distance between stitch patterns must not be more than 20.0mm (0.8 in.).
(b)
If the thread breaks, you must cut the ends of the thread and start to stitch again. Make sure that you overlap the cut stitches by more than 25.0mm (1.0 in.).
(c)
All cut ends of the webbing must be heat-sealed to stop fraying.
(3)
Repair of worn or broken stitching
(a)
Remove the damaged stitches and the remaining stitches of the stitch pattern.
(b)
Replace the stitches with stitches of the initial thread type and stitch pattern.
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25-50-00Page 808
Repair of the Webbing
Figure 803/TASK 25-50-00-991-017
EFF : ALL 25-50-00 Page 809
Aug 01/04
CES
Repair of the Rubber Coated Fabric
Figure 804/TASK 25-50-00-991-018
EFF : ALL 25-50-00 Page 810
Aug 01/04
CES
(4)
Replacement of the metal fittings
(a)
Remove the stitches necessary to free the component.
(b)
Put the replacement component in its correct installation
position.
(c)
Attach the component with stitches of the initial thread type and stitch pattern.
(5)
Repair of the webbing
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