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Airworthiness directives › 2013-25-10

AD 2013-25-10 Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

2014-01-31
2013-12-27
39-17706
FAA-2013-0603
Airframe
—

Applicability*9

This AD becomes effective January 31, 2014.

Compliance

(1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: Sharon Miles, Aerospace Engineer, FAA, Regulations and Policy Group, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone: (817) 222-5122; fax: (817) 222-5961; email: sharon.y.miles@faa.gov. (2) For operations conducted under a 14 CFR part 119 operating certificate or under 14 CFR part 91, subpart K, we suggest that you notify your principal inspector, or lacking a principal inspector, the manager of the local flight standards district office or certificate holding district office, before operating any aircraft complying with this AD through an AMOC.

Required actions

The subject of this AD is addressed in Transport Canada Civil Aviation (TCCA) AD No. CF-2009-41, dated November 16, 2009. You may view the TCCA AD at http://www.regulations.gov in Docket No. FAA-2013-0603.

Unsafe condition

(1) At the next 100-hour inspection, and thereafter at intervals not to exceed 110 hours time-in-service, inspect each tailboom upper left attachment fitting (fitting) for a crack, a loose rivet, corrosion, or damage as depicted in Figure 2 of BellAlert Service Bulletin 206L-09-158, Revision B, dated June 1, 2011 (ASB 206L-09-158). (2) If there is a crack, corrosion, or damage beyond the acceptable limits of Figure 2 of ASB 206L-09-158, before further flight, replace the fitting with an airworthy fitting. (3) If there is corrosion or damage within the acceptable limits of Figure 2 of ASB 206L-09-158, before further flight, repair the fitting as described in the Accomplishment Instructions, Part I, paragraphs 5.b.(1) through 5.b.(6), of ASB 206L-09-158. (4) If there is a loose rivet, before further flight, replace the loose rivet with an airworthy rivet.

Affected ADs

This AD defines the unsafe condition as a crack in a tailboom attachment fitting, which could result in loss of the tailboom and subsequent loss of control of the helicopter.

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