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ISO 9650
5.7 Testing repairs (Refer to Chapter 5)
5.7.1 Make sure the adhesive cures completely before testing.
5.7.2 When carrying out repairs to air holding compartments, carry out a
working pressure test for each compartment.
5.8 Repair limits
Patches (External)
5.8.1 Use a patch to repair if:
(a) The damage does not enter a seam.
(b) The damage does not pass under a major anchorage point,
such as a towing point or bowsing patch, or within 100 mm
(4”) of one of these points.
(c) The maximum area of the patch is not more than one eighth of
the total panel area.
5.9 More extensive damage
Repairs not described in this manual are not permitted except by permission
from the Design Authority, Revere Supply Co. Separate application must
be made for each occasion when repair is proposed.