Airworthiness Directive · Amendment 39-22296 · Emergency equipment
Leonardo S.p.a. Helicopters
This AD applies to Leonardo S.p.a. Model A109, A109A, A109A II, A109C, A109E, A109K2, A109S, and AW109SP helicopters, certificated in any category, modified by Supplemental Type Certificate SR01812LA with A109 Float (with/without Liferafts System) DART Aerospace 634.4100 Kit Series part number (P/N) 634.4101, 634.4102, 634.4103, 634.4104, 634.4106, or 634.4107 with float assembly P/N 644.0501, 644.0502, 644.0503, 644.0504, 644.0505, or 644.0506 installed.
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model A109, A109A, A109A II, A109C, A109E, A109K2, A109S, and AW109SP helicopters modified by Supplemental Type Certificate (STC) SR01812LA. This AD was prompted by a report of certain floats not deploying due to a faulty plunger assembly. This AD requires repairing or replacing certain float assemblies. The FAA is issuing this AD to address the unsafe condition on these products.
Within 300 hours time-in-service or within 6 months after the effective date of this AD, whichever occurs first, remove each float assembly identified in paragraph (c) of this AD and repair or replace it in accordance with a method approved by the Manager, Los Angeles ACO Branch, FAA. For a repair or replacement method to be approved by the Manager, Los Angeles ACO Branch, as required by this paragraph, the Manager's approval letter must specifically refer to this AD.
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.
Aircraft
