Zlin Aviation
Section 2
Maintenance Manual Line Maintenance, Repairs and Alterations
Issued: 01/02/2006
QAP-AMM-Rev02
Date of latest Revision: 23/01/2013
Page Number: 2-13
PATCH REPAIR MORE THAN 8 INCHES
(a) For large fabric repairs such as a wing tip, start at the last good rib, or at a convenient location close to the
damaged area, removing the old finish tapes.
(b) Cut the rib laces.
(c) Clean off all the coatings with MEK down to the fabric so that there is at least a 2 inch overlap over the
rib.
(d) Glue a whole new piece of fabric to cover the wingtip with a 2 inch overlap over the rib area.
(e) Heat shrink.
(f) Apply the first application of Poly-Brush as described previously.
(g) Secure the fabric to the rib, in the same manner it was previously, by rib stitching or with broad-head pop
rivets. For rib stitching see the instructions at the end of the Section.
(h) Apply tapes as described previously.
(i) Apply the second application of Poly-Brush as described previously.
(j) Then apply Poly-Spray as described previously.
(k) Paint to match original paint.
STITCHING
For precise instructions regarding covering and stiching methods, please refer to AC 43.13-1B
Chapter 2.