# AD 67-30-06: Engine Air Induction System

- Type: Airworthiness directive
- Status: Current
- Products: Piper PA-32-300 and PA-32S-300
- Effective: December 22, 1967
- Published: December 28, 1967
- Issued: December 22, 1967
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-508
- Registered aircraft: 995 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/426CA68784923B0C8625699700581A7E.0001
- DRS record last changed: November 21, 2025
- Page: https://openairdocs.org/ad/67-30-06

## The airworthiness directive

67-30-06 PIPER: Amdt. 39-508, Part 39, Federal Register November 8, 1967. Applies to Models PA-32-300, PA-32S-300 Series Airplanes. Serial Numbers 32-15, 32-40000 through 32- 40399.

Compliance required within the next 50 hours' time in service after the effective date of this AD, unless already accomplished. To prevent the possibility of restricting air flow through the engine air induction system accomplish the following:

  (a) Replace the engine air inlet duct, Piper Part No. 457599 or 63633-50, with parts and per instructions contained in Piper Modification Kit 760159.

  (b) The compliance time may be adjusted up to a maximum of 10 hours to coincide with aircraft annual or 100-hour scheduled inspections.

  (c) Piper Service Bulletin No. 260 dated November 8, 1967, covers the same subject.

Other means of compliance with the requirements of this directive may be utilized, if approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region.

This amendment effective December 22, 1967.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A3SO](https://openairdocs.org/tcds/A3SO): Piper Aircraft Inc.; names 2 of 13 models: PA-32-300, PA-32S-300

## 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: 995 (995 by airframe model, 0 by engine model)
- Makers: Piper 995

Models with the most aircraft:

- [Piper PA-32-300](https://openairdocs.org/model/piper-pa-32-300): 992 aircraft (airframe model)
- [Piper PA-32S-300](https://openairdocs.org/model/piper-pa-32s-300): 3 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/67-30-06/models.md
Every aircraft: https://openairdocs.org/ad/67-30-06/aircraft.md

Its text cites no advisory circulars or STCs.

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