Airworthiness directives › 2005-18-02
AD 2005-18-02 Airworthiness Directives; Pratt & Whitney JT8D-209, -217, -217A, -217C, and -219 Turbofan Engines
Applicability*9
This AD applies to Pratt & Whitney (PW) JT8D-209, -217, -217A, -217C, and -219 turbofan engines. These engines are installed on, but not limited to Boeing 727 and McDonnell Douglas MD-80 series airplanes.
Compliance
You are responsible for having the actions required by this AD performed within the compliance times specified unless the actions have already been done. (f) Within the next 30 days after the effective date of this AD, (1) revise the Time Limits section (TLS) of the manufacturer's Engine Manual, Part Number 773128, as appropriate for PW JT8D-209, -217, -217A, -217C, and -219 turbofan engines, and (2) for air carriers, revise the approved mandatory inspections section of the continuous airworthiness maintenance program, by adding the following: “Critical Life Limited Part Inspection A. Inspection Requirements: (1) This section contains the definitions for individual engine piece-parts and the inspection procedures, which are necessary, when these parts are removed from the engine. (2) It is necessary to do the inspection procedures of the piece-parts in Paragraph B when: (a) The part is removed from the engine and disassembled to the level specified in paragraph B and (b) The part has accumulated more than 100 cycles since the last piece part inspection, provided that the part is not damaged or related to the cause of its removal from the engine. (3) The inspections specified in this section do not replace or make unnecessary other recommended inspections for these parts or other parts. B. Parts Requiring Inspection. Note: Piece part is defined as any of the listed parts with all the blades removed. Description Section Inspection No. Hub (Disk), 1st Stage Compressor: Hub Detail—All P/Ns 72-33-31 -02, -03, -04 Hub Assembly—All P/Ns 72-33-31 -02, -03, -04 Disk, 13th Stage Compressor—All P/Ns 72-36-47 -02 HP Turbine, First Stage: Rotor Assembly—All P/Ns 72-52-02 -04 Disk—All P/Ns 72-52-02 -03 Disk, 2nd Stage Turbine—All P/Ns 72-53-16 -02 Disk, 3rd Stage Turbine—All P/Ns 72-53-17 -02 Disk, 4th Stage Turbine—All P/Ns 72-53-18 -02 Alternative Methods of
Unsafe condition
This AD results from the need to require enhanced inspection of selected critical life-limited parts of JT8D-209, -217, -217A, -217C, and “219 turbofan engines. We are issuing this AD to prevent critical life-limited rotating engine part failure, which could result in an uncontained engine failure and damage to the airplane.
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