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AD 70-07-03 ACTIVE

Planetary Gear Support Spiders
Key Information
AD Number 70-07-03 Status Active
Effective Date May 01, 1970 Issue Date Not specified
Docket Number Unknown Amendment 39-962
Product Type ["Aircraft"] Product Subtype ["Rotorcraft"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) Bell Helicopter Textron Canada Limited
Model(s) 206A
Regulatory Text

70-07-03 BELL: Amdt. 39-962. Applies to Model 206A Helicopters with transmissions incorporating Planetary Gear Support Spider, P/N 206-040-041-1.

Compliance required as indicated:

a. Planetary Gear Support Spiders P/N 206-040-041-1, with less than 450 hours' time in service on the effective date of this airworthiness directive must be removed from service prior to accumulating 500 hours' time in service.

b. Planetary Gear Support Spiders, P/N 206-040-041-1, with more than 450 hours' time in service on the effective date of this airworthiness directive must be removed from service within 50 hours' time in service after the effective date of this directive.

c. Retired Planetary Gear Support Spiders may be replaced with either the redesigned, heavy duty, Planetary Gear Support Spider P/N 206-040-080-3, using redesigned Shafts, P/N 206-040-043-5 (three required) in lieu of Shafts, P/N 206-040-043-3, or a serviceable Planetary Gear Support Spider, P/N 206-040-041-1, with less than 450 hours' total time in service. This latter item must be removed prior to accumulating 500 hours' total time in service.

Removal and replacement is to be accomplished in accordance with the Maintenance and Overhaul Instructions for the Bell Model 206A helicopter or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, FAA Southwest Region.

(Bell Helicopter Service Bulletin No. 206A-14, Revision B, dated 1-23-70, pertains to this subject.)
This amendment becomes effective May 1, 1970.