AC 20-64 CHG 1 Appendix 6 10/26/73 Page 29 FIGURE F-4. WING UPPER SURFACE Reference W-1, page 8 W-20, page 20
Appendix 6 AC 20-64 CHG 1 Page 30 10/26/73 88/SB-676 REINFORCEMENT FOR PLANK CRACKS 88:58-620 SPLICE SEALING
NACELLE PILLET DOUBLER
- 36 58-334 LEADING EDGE SCREW TIOHTNESS FIGURE F-5. WING UPPER SURFACE Reference W-1, page 8 W- 10, page 14 W-20, page 20 W-29, page 24
AC 20-64 CHG 1 Appendix 6 10/26/73 Page 31 NI
PLANK DEPRESSION Figure E-6. WING LOWER SURFACE Reference W-2, page &
AC 20-64 CHG 1 Appendix o 10/26/73 88/SB-628 - CENTROID RISER REMOVE PLASTIC FILLERS, RÉMOVE CORROSION, INSTALL METAL FILLERS 88: 58-587 1/4" DRAIN HOLE PLUGGED NEW HOLE DRILLED PLANK Figure F-7 WING LOWER SURFACE Reference W-3, page 8 W-12, page 16
AC 20-64 CHG 1 Appendix 6 10/26/73 Page 33 88/58-591 INSPECTION OF FLAP TRACK ATTACHMENTS Figure F-8. WING EXTERNAL STRUCTURE Reference W-4, page 8
Appendix 6 AC 20-64 CHG 1 Page 34 10/26/73 WING INTERNAL STRUCTURE 88/5B 630 TYPICAL FILLET AREAS TO BE INSPECTED AND REWORKED W-5, page 10 W-13, page 16 W-17, page 18 MLO RIB-W.S. 167 FIGURE F-9. RIB WS137 Reference 88/SB 634 INSPECT FOR CRACKS AT ATTACHMENTS TO PLANKS 88/58-593 INTERCOSTAL ABOVE P/N 800618 ACTUATOR BITTING ON PLANK 47
UPPER SURFACE
AC 20-64 CHG 1 Appendix 6 10/26/73 Page 35 WING FLAP FLAP DEL ALA PLANK #7 (REF) INBOARD NACELLE 88/58-593 INSPECT MLG FITTING INTERCOSTAL LOCATED INSIDE BOX BEAM ABOVE FITTING 88/SB-509 INSPECT MLG ACTUATOR CYLINDER ATTACH FITTING 88 SB-669 INSPECTION LOWER SURFACE BETWEEN WS157 AND WS219.
FIGURE F-10.WING LOWER SURFACE Reference W-5, page 10 W-6, page 10 W-26, page 24
Appendix 6 AC 20-64 CHG 1 Page 36 10/26/73 NISD STRU © EDGE 88/S8-655 INSPECT FOR CRACKS N SKIN AND RIBS FIGURE F-11. WING UPPER SURFACE Reference W-6, page 10 W- 24, page 22
AC 20-64 CHG 1 Appendix 6 10/26/73 Page 37 88/S8600 CRACKS UNDER SKATE ANGLE AT ATTACHMENTS
• 88/58-620 REPAIR 88/S8-665 PREVENTIVE DOUBLER INSTALL NACELLE FILLET ATTACHMENTS WING UPPER SURFACE Reference W-7, page 12 W-10, page 14 W-25, page 22 FIGURE F-12.
Appendix 6 Page 38 AC 20-64 CHG 1 10/26/73 88/ S8-620
PLANK SPLICE SEALING 88/58-606
FUEL ACCESS DOOR
LAND CORROSION FIGURE F-13. WING UPPER SURFACE Reference W-8, page 12 W- 10, page 14
AC 20-64 CHG 1 Appendix 6 10/26/73 Page 39 50C24i0 DOUBLER INSTALLATION WITH FYTENSION AT PLANK 3 - 4 BECAUSE OF DANT 6 FIGURE F-14. WING UPPER SURFACE Reference W-9, page 14 W- 15, page 16
Appendix 6 AC 20-64 CHG Page 40 10/26/73 00/CR_61G DOUBLER INSTALLATION FILLET REMOVED 885B-665 DOUBLER INSTALLATION (IN PROGRESS) FIGURE F-15. WING UPPER SURFACE tererence W-9, page 14 N- 25, page 22