AD 90-02-11

90-02-11 PIPER: Amendment 39-6455.

Applicability: Models PA-42, PA-42-720, and PA-42-720R (all serial numbers) airplanes certificated in any category.

Compliance: Required within the next 25 hours time-in-service after the effective date of this AD, unless already accomplished.

To preclude premature deterioration of the engine which could result in possible engine failure, accomplish the following:

(a) Insert a copy of this AD in the Pilots Operating Handbook and FAA Approved Airplane Flight Manual (POH/AFM) for the applicable airplane and operate in accordance with the revised limitation:

(1) For the Model PA-42 POH/AFM, revise the POH/AFM as follows: Insert Revision 8 of LK 1213 into the POH/AFM.

(2) For the Models PA-42-720 and PA-42-720R, revise the POH/AFM as follows:

(i) For the Model PA-42-720, insert Revision 7 of LK 1394 or VB 1314 into the POH/AFM.

(ii) For the Model PA-42-720R, insert Revision 6 of LK 1485 into the POH/AFM.

(b) The following annotation of the applicable pages of the POH/AFM may be accomplished in lieu of complying with paragraph (a). Locate the paragraph entitled "Fuel Specifications" or "Fuel" in the Limitations Section of the POH/AFM. In the first sentence of this paragraph, block out with permanent black ink the words "hot section inspections." Place 1/6 inch wide white self-adhesive correction tape over these blocked out words and type the following words "engine overhaul periods" on the correction tape.

(c) The requirements of this AD may be accomplished by the holder of a pilot certificate issued under Part 61 of the Federal Aviation Regulations on any airplane owned or operated by this person. The person accomplishing these actions must make the appropriate airplane maintenance record entry as prescribed by FAR 43.9 and FAR 91.173.

(d) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.

(e) An alternate method of compliance or adjustment of the compliance time which provides an equivalent level of safety, may be approved by the Manager, Atlanta Certification Office, Federal Aviation Administration, 1669 Phoenix Parkway, Suite 210C, Atlanta, Georgia 30349.

NOTE: The request should be forwarded through an FAA Maintenance Inspector, who will may add comments and send it to the Manager, Atlanta Aircraft Certification Office.

All persons affected by this directive may obtain copies of the documents referred to herein upon request to the Piper Aircraft Corporation, 2926 Piper Drive, Vero Beach, Florida 32960, or may examine these documents at the FAA, Central Region, Office of the Assistant Chief Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106.

This amendment (39-6455, AD 90-02-11) becomes effective on February 8, 1990.