The U.S. Coast Guard is seeking information from any Federal Aviation Administration (FAA) Part 145 authorized repair centers or other equivalent potential sources that can effectively test, troubleshoot, clean, repair, modify, and overhaul General Electric CT7-9C3 engines, modules, and components to current OEM configurations while maintaining any CG specific requirements for their return to service in a Ready For Issue (RFI) condition.

BACKGROUND:
The U.S. Coast Guard (USCG/CG) currently operates eight HC-144A aircraft each powered by two CT7-9C3 turboprop engines. The end state for the fleet size is still under review but could include as many as 36 assets. The HC-144A aircraft is manufactured by EADS CASA based in Seville, Spain, the CT7-9C3 turboprop engines are manufactured by General Electric, Aviation Division based out of Lynn, MA, USA. The base CASA CN-235-300M provides the foundation for the USCG HC-144A aircraft and changes to base configuration and the addition of supplementary systems have been combined resulting in a CG01 version of the CN-235-300M aircraft. The USCG HC-144A Maritime Patrol Aircraft and its CT7-9C3, turboprop engines, are operated differently from general aviation in support of such Coast Guard missions as: Search & Rescue, Surveillance, Logistic Support, and Law Enforcement Missions. These missions require frequent operation at lower altitudes and in salt-laden environments which accelerate corrosion on airframe structures, engines and other components. The aircraft, the engines and their components are inspected by USCG personnel in accordance with (IAW) the Original Equipment Manufacturers (OEM) periodic requirements and in conjunction with the USCG's specialized Aircraft Computerized Maintenance System (ACMS).

USCG OBJECTIVES:
-To have all CG CT7-9C3 engines, modules, and components, repaired, modified, and overhauled in accordance with (IAW) OEM specifications using current Repair, Overhaul, and Component Maintenance Manuals, including Revisions, Service Bulletins, Modifications, and Amendments.

-To have all CG CT7-9C3 engines, modules, and components, repaired, modified, or overhauled for return to service with FAA airworthiness Form 8130-3 or other FAA authorized airworthiness forms attached.

-To obtain and maintain a current list and status of all OEM Repair, Overhaul, and Component Maintenance Manuals (CMM), including Revisions (Rev), Temporary Revisions (TR), Service Bulletins (SB), Modifications (MOD), Amendments (AMD) or other specifications applicable to the repair, modification, or overhaul of the Coast Guard CT7-9C3 engines, modules, and components.

-To track and document calendar time, flight time, engine flight/life cycles, and all work performed on all CG CT7-9C3 engines, modules, and components as required under USCG ACMS. Tracking provides significant component historical records of component installations, removals, repairs, modifications, and overhauls, including component transit, storage, status, and locations. ACMS tracking also provides and an effective means of configuration control to maintain the integrity of OEM overhaul/high time hourly intervals including flight and life cycle limits as applicable to CT7-9C3 engines, modules, and components.

-To obtain the appropriate levels of repair, modification, or overhaul services for CG CT7-9C3 engines, modules, and components. The USCG anticipates at multiple levels of services: Repair; Repair & Modify; and Overhaul, which must be addressed including any additional levels of service, which may be proposed as such for the separate completion of modifications, incorporation of service bulletins, or the breakout of major components, etc.

REPLIES:
All interested parties should respond via e-mail to: Danny R. Sawyer, HC-144A Contract Specialist, at [email protected] or to CWO Kevin Barrick, HC-144A Tech Services,at [email protected].

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