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AD 65-02-01 ACTIVE

Engine Fuel Supply Tubes
Key Information
AD Number 65-02-01 Status Active
Effective Date February 04, 1965 Issue Date Not specified
Docket Number Unknown Amendment 39-19
Product Type ["Aircraft"] Product Subtype ["Large Airplane"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) D & R Nevada LLC
Model(s) 22 22M
Regulatory Text

65-02-01 GENERAL DYNAMICS: Amdt. 39-19 Part 39 Federal Register January 6, 1965. Applies to Models 22 and 22M Aircraft.

Compliance required as indicated.

Several failures of the No. 1 and No. 4 engine fuel supply tubes under the support clamp at Wing Station 579 have occurred, resulting in engine malfunction and flameout. To correct the condition causing these fuel line failures and to provide additional tolerance for tubing flexure, accomplish the following:

(a) Within 600 hours' time in service and thereafter within 600-hour intervals, perform a leak check of the engine fuel supply tubes P/N's 22-21427-73 and 22-21427-193 in the No. 1 and No. 4 fuel tanks respectively, in accordance with the procedures outlined in paragraph 2 of the Description and Recommendations section in General Dynamics/Convair Service Engineering Report No. 6820-880-8/880M-10 or an Aircraft Engineering Division, FAA Western Region, approved equivalent. Before further flight, repair and rework cracked tubes in accordance with the procedures outlined in Supplement A to General Dynamics/Convair Service Engineering Report No. 6820-880-8/880M-10 or an Aircraft Engineering Division, FAA Western Region, approved equivalent.

(b) Within 4,000 hours' time in service, rework the engine supply fuel tubes P/N's 22-21427-73 and 22-21427-193 in the No. 1 and No. 4 tanks respectively, in accordance with the procedures outlined in Supplement A to General Dynamics/Convair Service Engineering Report No. 6820-880-8/880M-10 or an Aircraft Engineering Division, FAA Western Region, approved equivalent, unless already accomplished pursuant to (a).

(c) The fuel tube leak check required in (a) may be discontinued when the provisions of (b) have been complied with.

This directive effective February 4, 1965.