2003-16-19: Horizontal Stabilizer Actuator Assembly (HSAA)

2003-16-19 Learjet: Amendment 39-13272. Docket 2003-NM-142-AD. Applicability: All Model 45 airplanes, certificated in any category. Compliance: Required as indicated, unless accomplished previously. To prevent structural failure of the horizontal stabilizer actuator assembly (HSAA), which could result in possible loss of control of the airplane, accomplish the following: Replacement (a) Except as provided by paragraph (b) of this AD, before further flight after the effective date of this AD, replace the HSAA having part number (P/N) 6627401000-005 with a new HSAA, per a method approved by the Manager, Wichita Aircraft Certification Office (ACO), FAA. Flight Limits (b) Non-revenue flights are permitted within 3 days after the effective date of this AD only for the purpose of positioning the airplane to a location where the replacement required by paragraph (a) of this AD can be accomplished. Parts Installation (c) As of the effective date of this AD, no person may install an HSAA, P/N 6627401000-005, on any airplane. Alternative Methods of Compliance (d) In accordance with 14 CFR 39.19, the Manager, Wichita Aircraft Certification Office (ACO), FAA, is authorized to approve alternative methods of compliance for this AD. Effective Date (e) This amendment becomes effective August 13, 2003.