Airworthiness Directive · Amendment 39-16544 · Air conditioning
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
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.
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
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).
| 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.
| 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.
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.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
