AD 44-04-03

THINESS DIRECTIVE SUMMARY nuary 1, of AD-341) XORTHWESTER# (Was Mandatory Vote 6 of AD 7201,- 1 7650S-64 propellere The inspection and rowork of the wings listed uner A" below is required of all airplanes listed. The rework lated under "5" must be accomplianed if the placard Intentional Aorobatios Prohibited" la to be removed. eight A* (1) Remove the nose skin fron the wings and inatall 13 extra nose ribs per pansi between the original riba. (2) Install a leading edge sparwise stringer in the (3) le the how 105% 1ach nock that thank xtress forward point of the airfoil nome. 3/8 inch by 1/2 inch spruce 3 54 2r0f AD-701-1) all glue jointa, particularly at the rib attachzent to spars and compression strut attachzont to the 110010 108080 spara. The following should also be checkeds (a) Compression struta for boming. (b) Wing spare for warping or twisting or damage due to compremaion struta diefing into apars. (o) 4l1 hinge fittings, alleron bracket attaohsonta and the aileron horn on the aileron for loose- ness or play. (d) Wing lift atrut fittings and screw adjustangts, Jury strute and all other wing points for loose- 4ACO (Was Inspection Note of AD-701-1) (4) Reinstall the loading edge skin (motol or plywood). cracks, misalignment, or other defoots. REQUIRED ICMEDIATELY AND'EVERY 100 HOURS OP Y52K7R • oirch, manogany or popiar graio spannise) It:ings welded to the bottom of the shock strut doue if the ownor does no helted the shonk strut. 4 be carefully inspected for cracke hibitod. made imediately if deeded. The shock atrut (1) Reinforce the wing compre struts located at the are not heat trested and satisfae- aileron hinge pointa. Figure 1 below illustrates 1g repairs of the fittings dan be mada. the roinforcemont and its boots have boen installed at the (2) Install an external aileror b lanco on osch aileron lose of the shook struts to serve as dust covers illustrated in figures Note, do not necessary to remove, these, if installed, 1 m remove the lead weights already installed. The do ispect the subject fittings. (Haco Service mience are should be stenc: "Handa Off 136, dated October 25, 1943, covers this FRONT REMOVE ORIGINAL CORNER BLOCKS ЗРАЯ IPRUCE CA AND 1/2" I 3/4" SPRUCE PLYWOOD GUSSD.S BROCKS ADDED DESIRABLE

2203 AIRWORTHINESS DIREC 6 PLY 5/16 BIRCH OR MAHOGANT PLYHOOD 049 - 3/4 - 1025 TUBINO COD BICCE 2-5/8* APFROX. 1. FISHMOUTH END OF TUBE. 2. POUR 3 19. 2 02. OF LEAD INTO A 2 INCH DIAMETER CYLINDER WITH THE 3/4 INCE TURE IN THE CENTER. AILERON HORN BALANCE 3. ROUND OFF HERED AS SHAN BY PLYWOOD BLOCK INSTALLATION SHADED AREAS. END INSTALL 32 INCHES FROM INBOARD 4. INSTALL 3/16 1000 OF BOLT WITH AS ELASTIC STOP NOT - COUNTERSINKING BOTH HEAD AND IT. 6. THE FINISHED METAL AND LEAD ASSEMBLY SHOULD WEIGH 3 LE. 5 OZ. FIG .