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complete examination of forward area of wing trailing edge. Check security of attachment of wing trailing edge in aileron area.
(6)Clean all drain holes in wing, and see that they are located as specified in Mooney M-18 Service Letter 16.
(d)Control Systems
(1)Inspect all control systems (aileron, trim, rudder, and elevator).
(i)Visually inspect all welds for cracks and inadequate welds (i.e., welds which do not completely fill fillet cross section area).
(ii)Check security of all bolted hinge and fitting attach points.
(Mooney M-18 Service Letters Nos. 16 and 17 pertain to this same subject).
