2006-24-08: Fuel manifold leakage

2006-24-08 Pratt & Whitney Canada: Amendment 39-14837. Docket No. FAA-2006-26319; Directorate Identifier 2006-NE-35-AD. Effective Date (a) This airworthiness directive (AD) becomes effective December 19, 2006. Affected ADs (b) None. Applicability (c) This AD applies to Pratt & Whitney Canada (P&WC) PW535A turbofan engines that have fuel manifold, part number (P/N) 3052627-01, installed. These engines are installed on, but not limited to Cessna Airplane Co. model 560 Citation Ultra Encore airplanes. Reason (d) There have been three reported incidents of PW535A engines leaking fuel in service. Investigation revealed the manufacturing process of the fuel manifold introduced characteristics that have resulted in a loss of sealing at a crimped joint. PW535A fuel manifold leakage that could result in engine fire, in-flight shutdown or damage to the airframe. Actions and Compliance (e) Accomplish the following, in accordance with the instructions of P&WC Alert Service Bulletin PW500-72-A30314, dated September 27, 2006. (1) For engines with fuel manifold, part number (P/N) 3052627- 01, that has a total time since new (TTSN) of 1500 flight hours or higher: Within 50 flight hours or 60 days after the effective date of this AD, whichever occurs first, replace fuel manifold, P/N 3052627-01, with a serviceable part. (2) For engines with fuel manifold, part number (P/N) 3052627- 01, that has less than a total time since new (TTSN) of 1500 flight hours: Within 150 flight hours or 90 days after the effective date of this AD, whichever occurs first, replace fuel manifold, P/N 3052627-01, with a serviceable part. Definition (f) A serviceable part is any replacement part except fuel manifold, P/N 3052627-01. FAA AD Differences Note: This AD differs from the MCAI and/or service information as follows: (1) This AD is applicable to any engine that has fuel manifold, (P/N) 3052627-01, installed. (2) ThisAD allows replacing fuel manifold P/N 3052627-01 with a serviceable part as defined in paragraph (f) of this AD. Other FAA AD Provisions (g) The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, Engine Certification Office, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. (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: For any reporting requirement in this AD, under the provisions of the Paperwork Reduction Act, the Office of Management and Budget (OMB) has approved the information collection requirements and has assigned OMB Control Number 2120- 0056. Related Information (h) Refer to MCAI Transport Canada Airworthiness Directive CF- 2006-22, dated October 26, 2006, and P&WC Alert Service Bulletin PW500-72-A30314, dated September 27, 2006, for related information. (i) Contact: Ian Dargin, Aerospace Engineer, Engine Certification Office, FAA, Engine & Propeller Directorate, 12 New England Executive Park, Burlington, MA, 01803; telephone (781) 238- 7178; fax (781) 238-7199, for more information about this AD. Material Incorporated by Reference (j) You must use Pratt & Whitney Canada Alert Service Bulletin PW500-72-A30314, dated September 27, 2006 to do the actions required by this AD, unless the AD specifies otherwise. (1) The Director of the Federal Register approved the incorporation by reference of this service information under 5 U.S.C. 552(a) and 1 CFR part 51. (2) For service information identified in this AD, contact Pratt and Whitney Canada Customer Help Desk at 1-800-268-8000. (3) You may review copies at the FAA, New England Region, Office of the Regional Counsel, 12 New England Executive Park, Burlington, MA; or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call (202) 741-6030, or go to: http://www.archives.gov/federal-register/cfr/ibr-locations.html .