Airworthiness directives › 96-07-03
AD 96-07-03 Airworthiness Directives; Societe Nationale Industrielle Aerospatiale and Eurocopter France Model AS 350B, BA, B1, B2, and D, and Model AS 355E, F, F1, F2, and N Helicopters
Models named: AS 350B, BA, B1, B2, D, Model AS 355E, F, F1, F2, N. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model AS 350B, BA, B1, B2, and D, and Model AS 355E, F, F1, F2, and N helicopters, with cyclic pitch change control rod, part number (P/N) 704A34-113-279, installed, and without an autopilot installed, certificated in any category. Note 1: This AD applies to each helicopter identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For helicopters that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must use the authority provided in paragraph (d) to request approval from the FAA. This approval may address either no action, if the current configuration eliminates the unsafe condition, or different actions necessary to address the unsafe condition described in this AD. Such a request should include an assessment of the effect of the changed configuration on the unsafe condition addressed by this AD. In no case does the presence of any modification, alteration, or repair remove any helicopter from the applicability of this AD.
Compliance
Required as indicated, unless accomplished previously. To prevent loss of tightening torque on the adjustment nuts of the cyclic pitch change control rod, shifting of the neutral position of the cyclic stick, reduction in the amount of available movement of the cyclic stick in the roll axis, and subsequent reduction in the controllability of the helicopter, accomplish the following: (a) Within 100 hours time-in-service (TIS) after the effective date of this AD, remove the forward lower fairing and visually inspect the cyclic pitch change control rod (rod), P/N 704A34-113-279, to determine whether the end fittings have been safetied (see Figure 1, Detail 1, tabs bent around the adjustment nut). (b) If the visual inspection indicates that the rod end fittings have been safetied, reinstall the forward lower fairing. (c) If the visual inspection indicates that the rod end fittings have not been safetied (see Figure 1, Detail 2, tabs not bent around the adjustment nut), accomplish the following in accordance with the applicable maintenance manual: (1) Immobilize the cyclic control. (2) Remove the rod and replace it with an airworthy rod on which the rod end fittings have been safetied. (3) Reinstall the forward lower fairing. [[Page 13657]] (4) Verify proper operation of the cyclic control. Note 2: Eurocopter Service Bulletin No. 01.38, dated June 26, 1994, for the Model AS 355 series helicopters, and Eurocopter Service Bulletin No. 01.42, dated June 28, 1994, for the Model AS 350 series helicopters, pertain to this subject. (d) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used when approved by the Manager, Rotorcraft Standards Staff, FAA, Rotorcraft Directorate. Operators shall submit their requests through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Rotorcraft Standards Staff. Note 3: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Rotorcraft Standards Staff. BILLING CODE 4910-13-U [[Page 13658]] [GRAPHIC] [TIFF OMITTED] TR28MR96.000 BILLING CODE 4910-13-C [[Page 13659]] (e) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the helicopter to a location where the requirements of this AD can be accomplished. (f) This amendment becomes effective on May 2, 1996. Issued in Fort Worth, Texas, on March 20, 1996. Daniel P. Salvano, Manager, Rotorcraft Directorate, Aircraft Certification Service. [FR Doc. 96-7494 Filed 3-27-96; 8:45 am] BILLING CODE 4910-13-U
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1