AD 2001-13-11 Airworthiness Directives; Dassault Model Falcon 10 Series Airplanes

Models named: Falcon 10 series. Read the applicability below — it usually turns on serial or part numbers too.

All Model Falcon 10 series airplanes, certificated in any category. Note 1: This AD applies to each airplane 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 airplanes 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 (c) 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.

Required as indicated, unless accomplished previously. To prevent failure of a fire extinguisher bottle to discharge, which could result in the inability to extinguish a fire in an engine, accomplish the following: Inspection/Replacement (a) Within 10 days after the effective date of this AD: Do an inspection to verify proper installation of the pins in the dual non-return valves of the fire extinguishing system for the engines, per the Accomplishment Instructions of Dassault Service Bulletin F10-A291, dated June 1, 2001. Before further flight, replace any defective valve (pin outside the identified tolerance range) with a new valve per the service bulletin. Spares (b) As of the effective date of this AD, no person shall install a dual non-return valve, part number 39299500, on any airplane, unless it has been inspected per paragraph (a) of this AD; the pin is within the specified tolerance range; and the valve is marked with a “C,” per Figure 1 of the Accomplishment Instructions of Dassault Service Bulletin F10-A291, dated June 1, 2001. Alternative Methods of Compliance (c) 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, International Branch, ANM-116, FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, International Branch, ANM-116. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the International Branch, ANM-116. Special Flight Permits (d) 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 airplane to a location where the requirements of this AD can be accomplished. Incorporation by Reference (e) The inspection and replacement shall be done in accordance with Dassault Service Bulletin F10-A291, dated June 1, 2001. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from Dassault Falcon Jet, P.O. Box 2000, South Hackensack, New Jersey 07606. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. Note 3: The subject of this AD is addressed in French airworthiness directive T2001-219-025(B), dated June 1, 2001. Effective Date (f) This amendment becomes effective on July 12, 2001. Issued in Renton, Washington, on June 19, 2001. Kalene C. Yanamura, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 01-15938 Filed 6-26-01; 8:45 am] BILLING CODE 4910-13-P