58-05-02 VICKERS: Applies to All Viscount 700 Series Aircraft.
Compliance required as indicated.
In accordance with British Air Registration Board's list of "Essential Modifications and Inspections" compliance with the following Vickers-Armstrong corrective measures is considered mandatory. The FAA concurs and considers compliance therewith mandatory. Compliance provisions are detailed in the Vickers publications referenced in each item.
A. INSPECTION AND MODIFICATION OF ENGINE NACELLE ATTACHMENT FITTINGS AT WING STATION 257.75.
Inspections for cracks in ribs and fittings as detailed in PTL No. 34, Issue 2 are required every 300 hours until the incorporation of modified nacelle attachment fittings, per Part (b) of Mod. D.1208, Issue 3.
B. INSPECTION AND MODIFICATION OF TOP REAR INBOARD NACELLE STRUTS.
Inspections for cracks of top rear inboard and outboard nacelle struts and inboard and outboard accessory gearbox stay tubes on Nos. 2 and 3 engine nacelles as detailed in PTL No. 87, issue 2 are require until the incorporation of Mod. D.1742.
C. Superseded by AD 61-20-04.
D. LIFE LIMITATION OF FLAP GEAR UNIVERSAL JOINT TRUNNIONS P/N's 60903-1655 and 70184-403.
Flap gear universal joint trunnion P/N 60903-1655 is limited to a life of 1,500 flights due to the possibility of fatigue cracks developing. Trunnions P/N 60903-1655 exceeding this life should be replaced within the next 50 flights with replacement parts to Mod. D.2188 standard, or removed and inspected for cracks in accordance with PTL 153, issue 3, and if found serviceable may be replaced provided they are inspected at intervals not exceeding 200 flights. When a universal joint trunnion to Mod. D.2188 standard is used as a replacement, it is essential to use a universal joint block to the same modification standard. The safe life of the revised universal joint trunnion P/N 70184-403 to Mod. D.2188 standard is now limited to 3,000 flights.
(Vickers-Armstrong PTL153, issued 3, and Mod. D.2188 cover this subject.)
E. Superseded by AD 61-20-04.