Airworthiness directives › 2001-26-53
AD 2001-26-53 Airworthiness Directives; Eurocopter France Model AS350B, B1, B2, B3, BA, D, and AS355E Helicopters
Models named: AS350B, B1, B2, B3, BA, D, AS355E. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model AS350B, B1, B2, B3, BA, D, and AS355E helicopters, with TRW-SAMM main servocontrols, part number (P/N) SC 5083, serial number (S/N) from 1500 to 1515, inclusive, or P/N SC 5084, S/N from 722 to 726, inclusive, installed, except those reconditioned and identified by the letter “V” engraved on the identification plate on the right-hand side of the P/N, certificated in any category. Note 1: This AD applies to each helicopter identified in the preceding applicability provision, regardless of whether it has been otherwise 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 request approval for an alternative method of compliance in accordance with paragraph (b) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.
Compliance
Required before further flight, unless accomplished previously. To prevent failure of a main servocontrol, failure of the flight control system, and subsequent loss of control of the helicopter, accomplish the following: (a) Remove each affected main servocontrol. Note 2: Eurocopter France Alert Telex Nos. 01.00.52 and 01.00.18, both dated November 15, 2001, pertain to the subject of this AD. (b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Regulations Group, FAA. Operators shall submit their requests through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Regulations Group. Note 3: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Regulations Group. (c) Special flight permits will not be issued. (d) This amendment becomes effective on February 6, 2002, to all persons except those persons to whom it was made immediately effective by Emergency AD 2001-26-53, issued December 21, 2001, which contained the requirements of this amendment. Note 4: The subject of this AD is addressed in Direction Generale De L'Aviation Civile, France, AD Nos. T2001-590-087(A) and T2001-591-065(A), both dated November 28, 2001. Issued in Fort Worth, Texas, on January 11, 2002. David A. Downey, Manager, Rotorcraft Directorate, Aircraft Certification Service. [FR Doc. 02-1450 Filed 1-18-02; 8:45 am] BILLING CODE 4910-13-P
Read the original on the Federal Register →
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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