# AD 88-25-02: Engine Fluid-Carrying Hoses

- Type: Airworthiness directive
- Status: Current
- Products: Aerostar PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P), PA-60-602P (Aerostar 602P) and PA-60-700P (Aerostar 700P)
- Effective: December 26, 1988
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-6080
- Registered aircraft: 57 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8AD4C33B95391EA6862569AF00766DFA.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/88-25-02

## The airworthiness directive

88-25-02 PIPER (AEROSTAR): Amendment 39-6080. Applies to Models PA-60-601 equipped with an automatic waste gate controller per Retrofit Option 106 (S/N 61-0001-004 through 61-0334-111), PA-60-601 (S/N 61-0342-112 through 61-0880-8162157), PA-60-601P (S/N 61P-0157-001 through 61P-0860-8163455), PA-60-602P (S/N 62P-0750-8165001, and 62P-0861-8165002 through 60-8365010), PA-60-700P (S/N 60-8423001 through 60-8423025) airplanes certificated in any category.

Compliance: Required within the next 50 hours time-in-service after the effective date of this AD unless already accomplished.

To reduce the possibility of damage to the oil supply hoses which, if not corrected, could result in an in-flight fire, oil starvation and/or engine failure, accomplish the following:

  (a) For all the above applicable airplanes except Model PA-60-700P (S/N 60- 8423001 through 60-8423025) airplanes, replace and modify the engine fluid-carrying hoses and associated hardware in accordance withthe instructions contained in Piper Service Bulletin (SB) No. 761, dated April 18, 1983, and Piper SB No. 815, dated January 3, 1986.

  (b) For Model PA-60-700P Aerostars (S/N 60-8423001 through 60- 8423025) airplanes replace and modify the engine fluid-carrying hoses and associated hardware in accordance with the instructions contained in Piper SB No. 815, dated January 3, 1986.

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

  (d) An equivalent means of compliance with this AD may be used if approved by the Manager, Atlanta Aircraft Certification Office, ACE-115A, Federal Aviation Administration, 1669 Phoenix Parkway, Suite 210C, Atlanta, Georgia 30349.

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

This amendment, 39-6080, becomes effective on December 26, 1988.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A17WE](https://openairdocs.org/tcds/A17WE): Aerostar Aircraft Corporation; names 4 of 5 models: PA-60-601P (Aerostar 601P), PA-60-601 (Aerostar 601), PA-60-602P (Aerostar 602P), PA-60-700P (Aerostar 700P)

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 57 (57 by airframe model, 0 by engine model)
- Makers: Piper 57

Models with the most aircraft:

- [Piper PA-60-602P](https://openairdocs.org/model/piper-pa-60-602p): 31 aircraft (airframe model)
- [Piper PA-60-700P](https://openairdocs.org/model/piper-pa-60-700p): 17 aircraft (airframe model)
- [Piper PA-60-601P](https://openairdocs.org/model/piper-pa-60-601p): 9 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/88-25-02/models.md
Every aircraft: https://openairdocs.org/ad/88-25-02/aircraft.md

Its text cites no advisory circulars or STCs.

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