Piper Cheyenne III PA-42-720 Service maintenance manual curr

PART NUMBER 761-523 MAY 15, 2012 1A1 AIRPLANE MAINTENANCE MANUAL PA-42 PA-42-720 (S/N’S 42-8301001, 42-8301002 AND 42-5501003 THRU 42-5501023, 42-5501025 THRU 42-5501027, 42-5501029 THRU 42-5501031, 42-5501033, AND 42-5501039) PIPER AIRCRAFT CORPORATION

PIPER AIRCRAFT PA-42 / PA-42-720 AIRPLANE MAINTENANCE MANUAL 1A3 May 15, 2012 REVISION STATUS Page 1 REVISION STATUS Revisions to this Maintenance Manual (P/N 761-523) originally issued December 1, 1979 are as follows: Revision Publication Date Aerofiche Card Effectivity ORG791201 December 1,1979 1, 2, 3, 4 and 5 CR860401 February 28, 1987 1, 2, 3, 4, 5 and 6 CR891231 December 31, 1989 1, 2, 3, 4, 5 6 and 7 PR980109 January 9, 1998 1, 2, 3, 4, 5, 6 and 7 PR120515 May 15, 2012 N/A* * Piper has ceased production of all Aerofiche (i.e., microfiche) products. This maintenance manual and other Piper publications are available as described in the Owner Publications Catalog (part of the Customer Service Information File, available as described below). Consult the “Customer Service Information File” (a free download from the Piper Aircraft, Inc. website at http://www.piper.com/home/pages/Publications. cfm) to verify that you have the latest revision.

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PIPER AIRCRAFT PA-42 / PA-42-720 AIRPLANE MAINTENANCE MANUAL 1A5 May 15, 2012 TABLE OF CONTENTS INTRODUCTION TABLE OF CONTENTS Paragraph Grid No. Page 1 1. Instructions for Continued Airworthiness ............................. 1A7 2. General ........................................................ 1A7 3. Effectivity ..................................................... 1A8 4. Serial Number Explanation ........................................ 1A8 5. Assignment of Subject Material .................................... 1A9 6. Pagination ..................................................... 1A9 7. Aeroﬁche Grid Numbering ........................................ 1A10 8. Identifying Revised Material ....................................... 1A10 9. Warnings, Cautions and Notes ...................................... 1A11 10. Accident/Incident Reporting ....................................... 1A11 11. Supplementary Publications ....................................... 1A11 Piper Publications: ............................................. 1A11 Vendor Publications: ........................................... 1A12 12. System/Chapter Index Guide ....................................... 1A17 List of Illustrations ............................................... 1A23 List of Charts ................................................... 1A33

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PIPER AIRCRAFT PA-42 / PA-42-720 AIRPLANE MAINTENANCE MANUAL 1A7 May 15, 2012 INTRODUCTION Page 1 INTRODUCTION 1. Instructions for Continued Airworthiness WARNING: INSTRUCTIONS FOR CONTINUED AIRWORTHINESS (ICA) FOR ALL NON-PIPER APPROVED STC INSTALLATIONS ARE NOT INCLUDED IN THIS MANUAL. WHEN A NON-PIPER APPROVED STC INSTALLATION IS INCORPORATED ON THE AIRPLANE, THOSE PORTIONS OF THE AIRPLANE AFFECTED BY THE INSTALLATION MUST BE INSPECTED IN ACCORDANCE WITH THE ICA PUBLISHED BY THE OWNER OF THE STC. SINCE NON-PIPER APPROVED STC INSTALLATIONS MAY CHANGE SYSTEMS INTERFACE, OPERATING CHARACTERISTICS AND COMPONENT LOADS OR STRESSES ON ADJACENT STRUCTURES, THE PIPER PROVIDED ICA MAY NOT BE VALID FOR AIRPLANES SO MODIFIED. This Piper PA-42/PA-42-720 Cheyenne III/IIIA Maintenance Manual constitutes the Instructions for Continued Airworthiness (ICA) in accordance with Federal Aviation Regulations (FAR) Part 23, Appendix G. Chapter 4 contains the Airworthiness Limitations section (4-00-00) and the Inspection Program is in Chapter 5 (5-20-00). 2. General This publication is prepared in accordance with the General Aviation Manufacturers Association (GAMA) Specification No. 2, with respect to the arrangement and content of the System/Chapters within the designated Chapter/Section-numbering system. WARNING: USE ONLY GENUINE PIPER AIRCRAFT PARTS OR PIPER AIRCRAFT APPROVED PARTS OBTAINED FROM PIPER APPROVED SOURCES, IN CONNECTION WITH THE MAINTENANCE AND REPAIR OF PIPER AIRPLANES. This manual generally does not contain hardware callouts for installation. Hardware callouts are only indicated where a special application is required. To confirm the correct hardware used, refer to the PA-42/PA-42-720 Parts Catalog, P/N 761-717, and FAR 43 for proper use. Genuine PIPER parts are produced and inspected under rigorous procedures to insure airworthiness and suitability for use in PIPER airplane applications. Parts purchased from sources other than PIPER, even though identical in appearance, may not have had the required tests and inspections performed, may be different in fabrication techniques and materials, and may be dangerous when installed in an airplane. Additionally, reworked or salvaged parts or those parts obtained from non-PIPER approved sources, may have service histories which are unknown or cannot be authenticated, may have been subjected to unacceptable stresses or temperatures or may have other hidden damage not discernible through routine visual or nondestructive testing. This may render the part, component or structural assembly, even though originally manufactured by PIPER, unsuitable and unsafe for airplane use. Piper Aircraft, Inc. expressly disclaims any responsibility for malfunctions, failures, damage or injury caused by use of non-PIPER approved parts. NOTE: Piper Aircraft, Inc. expressly reserves the right to supersede, cancel and/or declare obsolete any part, part numbers, kits or publication that may be referenced in this manual without prior notice.

PIPER AIRCRAFT PA-42 / PA-42-720 AIRPLANE MAINTENANCE MANUAL 1A8 May 15, 2012 INTRODUCTION Page 2 Also, Piper Aircraft, Inc. may possess manufacturer’s data which defines minimum type design beyond what may be assumed by an authorized repair entity. When a repair is proposed, it is the responsibility of the repairer per AC 43.13-1 to determine that the proposed repair is not contrary to manufacturer’s data. The repairer or aircraft owner or his agent should contact Piper directly to determine that a proposed repair is not in conflict with minimum type design capability. If you have any question concerning the care of your airplane, be sure to include the airplane serial number in any correspondence to Piper. 3. Effectivity This maintenance manual is effective for PA-42 Cheyenne III serial numbers 42-7800001, 42-7800002, and 43-7801003 thru 42-8001106; and PA-42-720 Cheyenne IIIA serial numbers 42-8301001, 42-8301002 and 42-5501003 thru 42-5501023, 42-5501025 thru 42-5501027, 42-5501029 thru 42-5501031, 42-5501033, and 42-5501039. This encompasses the following model years: NOTE: The following information is provided as a general reference only. Model Serial Number Range Model Year PA-42 42-7800001, 42-7800002, 1978 43-7801003 and 42-7801004 42-8001001 thru 42-8001004 1980 42-8001005 thru 42-8001060 1981 42-8001061 thru 42-8001081 1982 42-8001101 thru 42-8001106 1983 PA-42-720 42-8301001, 42-8301002 and 1983 42-5501003 thru 42-5501010 42-5501011 thru 42-5501023 1984 42-5501025 thru 42-5501031, 1985 less 42-5501024 and 42-5501028 42-5501033 and 42-5501039 1986 NOTE: Serial numbers 42-5501040 thru 42-5501060 are advanced trainer airplanes and are covered in a separate maintenance manual, P/N 761-852. NOTE: Serial numbers 42-5501024, 42-5501028, 42-5501032, 42-5501034 thru 42-5501038 are model PA-42-720R airplanes and are covered in a separate, limited availability, maintenance manual. 4. Serial Number Explanation This manual encompasses airplanes manufactured under three different serial numbering systems. A. The earlier system is comprised of three sets of numbers, as shown in the following example: 42 78 00001 TYPE CERTIFICATE DESIGNATION SEQUENCE NUMBER MODEL YEAR

PIPER AIRCRAFT PA-42 / PA-42-720 AIRPLANE MAINTENANCE MANUAL 1A9 May 15, 2012 INTRODUCTION Page 3 B. The later systems are comprised of four sets of numbers, with different meanings, as shown in the following examples: or: 5. Assignment of Subject Material The various Chapters are broken down into major systems such as Electrical Power, Flight Controls, Fuel, Landing Gear, etc. A. The system/chapters are arranged more or less alphabetically rather than by precedence or importance. All system/chapters are assigned a number, which becomes the first element of a standardized numbering system. thus the element “32” of the number series 32-00-00 refers to the system/chapter on “landing gear.” All information pertaining to the landing gear will be covered in this system/ chapter. B. The major system/chapters are then broken down into sub-system/sections. These sections are identified by the second element of the standardized numbering system. The number “40” of the basic number series 32-40-00 is for the “wheels and brakes” portion of the landing gear. C. The individual units within a sub-system/section may be identified by a third element of the standardized numbering system, such as 32-40-01. This number could be assigned by the manufacturer to fit the coverage requirements of the publication. 6. Pagination The Chapter - Section (i.e. - 28-40-00) numbering system (explained above) forms the primary page numbering system for this manual. Within each Section, pages are numbered consecutively beginning with Page 1 (i.e. - 28-40-00, Page 1). Additionally, a modified legacy Aerofiche grid numbering system (explained below) will be used to indicate location within the manual until the next complete revision. 42 80 01 001 TYPE CERTIFICATE DESIGNATION MODEL CODE 01 = PA-42 / PA-42-720 SEQUENCE NUMBER MODEL YEAR (For PA-42 only, 1981, 1982, & 1983 model years repeat “80” in this position.) TYPE CERTIFICATE DESIGNATION MODEL CODE 01 = PA-42 / PA-42-720 SEQUENCE NUMBER PLANT CODE 5 = LAKELAND (Repeated to fill two digit space. Indicates where first of type was built.) 42 55 01 001

PIPER AIRCRAFT PA-42 / PA-42-720 AIRPLANE MAINTENANCE MANUAL 1A10 May 15, 2012 INTRODUCTION Page 4 7. Aerofiche Grid Numbering Piper ceased production of all Aerofiche (i.e., microfiche) products in 2008. The Aerofiche grid numbers will be removed in the next complete revision. In the interim, as partial revisions occur, the Aerofiche grid numbering system may be modified, as explained below, to simplify production. Deviations from the legacy Aerofiche grid numbering system will occur when it becomes necessary to add pages to the manual and will typically take two forms: A. Inserting pages between two existing grids in the same row. When inserting two pages between the existing grids 1A8 and 1A9, the two new pages will be numbered 1A8A and 1A8B. B. Inserting pages at the end of an Aerofiche grid row. The legacy Aerofiche grid numbering system limited page numbers in a row to a maximum of 24 (i.e., row 1A would be numbered 1A1–1A24). That limit no longer applies. Accordingly, if two pages need to be added between any existing grid row end and grid row start (i.e., 1A24 and 1B1), the new pages will simply be numbered 1A25 and 1A26. 8. Identifying Revised Material A. 1979 through 1998: Revised text and illustrations are indicated by a black vertical line along the left-hand margin of the frame, opposite revised, added or deleted material. Revision lines indicate only current revisions with changes and additions to or deletions of existing text and illustrations. Changes in capitalization, spelling, punctuation, indexing, the physical location of the material or complete page additions are not identified by revision lines. A reference and record of the material revised is included in each chapter’s Table of Contents/ Effectivity. The codes used in the effectivity columns of each chapter are defined as follows: TABLE OF CONTENTS/EFFECTIVITY CODES Original Issue or Complete Revision ............................................. None First Revision .......................... Revision Identification (1R Month-Year = 1R 8-80) Second and Subsequent Revisions ................... Revision Identification (#R Month-Year) Added Subject ................................... Revision Identification (A Month-Year) Deleted Subject .................................. Revision Identification (D Month-Year) Change bars and effectivity codes were removed in a complete revision.

Piper Cheyenne III PA-42-720 Service maintenance manual curr

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