AD 2010-26-05 Airworthiness Directives; DASSAULT AVIATION Model Falcon 10 Airplanes; Model FAN JET FALCON, FAN JET FALCON SERIES C, D, E, F, and G Airplanes; Model MYSTERE-FALCON 200 Airplanes; Model MYSTERE-FALCON 20-C5, 20-D5, 20-E5, and 20-F5 Airplanes; Model FALCON 2000 and FALCON 2000EX Airplanes; and Model MYSTERE-FALCON 50 and MYSTERE-FALCON 900 Airplanes, and FALCON 900EX Airplanes

Models named: Falcon 10, FAN JET FALCON, FAN JET FALCON SERIES C, D, E, F, G, MYSTERE-FALCON 20-C5, 20-D5, 20-E5. Read the applicability below — it usually turns on serial or part numbers too.

This AD applies to the airplanes identified in paragraphs (c)(1) and (c)(2) of this AD, certificated in any category. (1) DASSAULT AVIATION Model Falcon 10 airplanes, Model FAN JET FALCON, FAN JET FALCON SERIES C, D, E, F, and G airplanes, and Model MYSTERE-FALCON 20-C5, 20-D5, 20-E5, and 20-F5 airplanes; all serial numbers, equipped with Liebherr or ABG-Semca pressurization outflow valves. (2) DASSAULT AVIATION Model MYSTERE-FALCON 200 airplanes, Model MYSTERE-FALCON 50 and MYSTERE-FALCON 900, and FALCON 900EX airplanes, and Model FALCON 2000 and FALCON 2000EX airplanes; all serial numbers.

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Inspection and Replacement (g) Unless already done, do the following actions. (1) Within 6 months after the effective date of this AD, or before reaching the applicable time in the “Inspection Threshold” column specified in Table 1 of this AD, whichever occurs later, and thereafter at intervals not to exceed the applicable time in the “Inspection Interval” column specified in Table 1 of this AD: Inspect for overpressure tightness on both regulating valves using a method approved by either the Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA; or the European Aviation Safety Agency (EASA) (or its delegated agent). Table 1—Compliance Times         Affected airplanes Inspection threshold (whichever occurs later) Inspection interval Model FAN JET FALCON, FAN JET FALCON SERIES C, D, E, F, and G airplanes, and Model MYSTERE-FALCON 20-C5, 20-D5, 20-E5, and 20-F5 airplanes equipped with Liebherr or ABG-Semca valves part number (P/N) 209xx0xxx0x; Model MYSTERE-FALCON 200 airplanes; Model Falcon 10 airplanes, equipped with Liebherr or ABG-Semca valves P/N 209xx0xxx0x. Prior to the accumulation of 1,250 total flight hours on the regulating valve since new Within 1,250 flight hours after the valve was cleaned in accordance with this AD 1,250 flight hours. Model MYSTERE-FALCON 50 airplanes, Model MYSTERE-FALCON 900, FALCON 900EX (including “F900EX-EASy” and “F900DX”), Model FALCON 2000, and FALCON 2000EX (including “F2000EX-EASy” and “F2000DX”) airplanes Prior to the accumulation of 1,640 total flight hours on the regulating valve since new Within 1,640 flight hours after the valve was cleaned in accordance with this AD 1,640 flight hours. Note 1: Guidance on inspecting for overpressure tightness on both regulating valves can be found in the applicable airplane maintenance manual identified in Table 2 of this AD. Table 2—Maintenance Manual Guidance For affected airplanes— See Dassault maintenance procedure— In maintenance manual— Model Falcon 10 airplanes, equipped with Liebherr or ABG-Semca valves P/N 209xx0xxx0x 21-32-01, dated July 2009 Dassault Falcon 10 Maintenance Manual. Model FALCON 900EX (including “F900EX-EASy” and “F900DX”) airplanes 21-314, dated September 2008 Dassault Falcon 900EX-EASy Maintenance Manual. Model FALCON 2000 and FALCON 2000EX (including “F2000EX-EASy”) airplanes 21-314, dated November 2008 Dassault Falcon 2000 Maintenance Manual. Model FALCON F2000DX airplanes 21-314, dated November 2008 Dassault Falcon 2000DX Maintenance Manual. Model FAN JET FALCON, FAN JET FALCON SERIES C, D, E, F, and G airplanes, MYSTERE-FALCON 20-C5, 20-D5, 20-E5, and 20-F5 airplanes; equipped with Liebherr or ABG-Semca valves part number (P/N) 209xx0xxx0x 21-31-10, dated October 2008 Dassault Fan Jet Falcon Maintenance Manual. Model MYSTERE-FALCON 50 airplanes 21-160, dated January 2010 Dassault Falcon 50/50EX Maintenance Manual. Model MYSTERE-FALCON 200 airplanes 051.0, dated December 2008 Dassault Falcon 200 Maintenance Manual. Model MYSTERE-FALCON 900 airplanes 21-308, dated October 2008 Dassault Falcon 900 Maintenance Manual. (2) If any leak is found during any inspection required by paragraph (g)(1) of this AD, before further flight, replace the affected valve with a serviceable unit, using a method approved by either the Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA; or the EASA (or its delegated agent). Note 2: Guidance on replacing regulating valves can be found in the applicable airplane maintenance manual identified in Table 2 of this AD. FAA AD Differences Note 3: This AD differs from the MCAI as follows: Although paragraph (3) of the compliance section of the MCAI allows flight in accordance with the master minimum equipment list (MMEL) provisions after leaks are found, paragraph (g)(2) of this AD requires replacing affected valves before further flight. Other FAA AD Provisions (h) The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Tom Rodriguez, Aerospace Engineer, International Branch, ANM-116, Transport Airplane Directorate, FAA, 1601 Lind Avenue, SW., Renton, Washington 98057-3356; telephone (425) 227-1137; fax (425) 227-1149. Before using any approved AMOC on any airplane to which the AMOC applies, notify your principal maintenance inspector (PMI) or principal avionics inspector (PAI), as appropriate, or lacking a principal inspector, your local Flight Standards District Office. The AMOC approval letter must specifically reference this AD. (2) Airworthy Product: For any requirement in this AD to obtain corrective actions from a manufacturer or other source, use these actions if they are FAA-approved. Corrective actions are considered FAA-approved if they are approved by the State of Design Authority (or their delegated agent). You are required to assure the product is airworthy before it is returned to service. (3) Reporting Requirements: A federal agency may not conduct or sponsor, and a person is not required to respond to, nor shall a person be subject to a penalty for failure to comply with a collection of information subject to the requirements of the Paperwork Reduction Act unless that collection of information displays a current valid OMB Control Number. The OMB Control Number for this information collection is 2120-0056. Public reporting for this collection of information is estimated to be approximately 5 minutes per response, including the time for reviewing instructions, completing and reviewing the collection of information. All responses to this collection of information are mandatory. Comments concerning the accuracy of this burden and suggestions for reducing the burden should be directed to the FAA at: 800 Independence Ave., SW., Washington, DC 20591, Attn: Information Collection Clearance Officer, AES-200. Related Information (i) Refer to MCAI EASA Airworthiness Directive 2008-0072, dated April 18, 2008, for related information. Material Incorporated by Reference (j) None. Issued in Renton, Washington, on December 10, 2010. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 2010-31896 Filed 12-20-10; 8:45 am] BILLING CODE 4910-13-P