AD 64-09-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-30 | Airworthiness Directives; Piper Model PA-30 Aircraft |
Unsafe Condition
Wear at the hinge of the alternate air door (P/N 23809-00) could lead to failure of the alternate air door assembly, resulting in loss of engine power.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect engine induction system air takeoff assemblies (P/N 23810-00) for hinge wear on alternate air doors (P/N 23809-00) every 10 hours' time in service. Replace worn or loose doors before further flight. Within 50 hours' time in service, replace doors with new P/N 23809-07 per Piper Kit Instructions 756794.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 10 hours' time in service after the effective date of this AD, and within every 10 hours' time in service thereafter until a new alternate air door is installed per (b). For the replacement, within the next 50 hours' time in service after the effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Piper Model PA-30 Aircraft Serial Numbers 30-1 to 30-321 Inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Induction System Alternate Air Doors
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_64-09-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-09-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-30 Aircraft Subject: Induction System Alternate Air Doors Status: Current Citation: Federal Register: April 25, 1964 Citation Publish Date: 04/25/1964 Effective Date: 04/29/1964 Make: Piper Aircraft Inc. Model: PA-30 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 64-09-05 CITATION: [Federal Register: April 25, 1964] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-09-05 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-30 Aircraft ACTION: SUMMARY: DATES: Effective April 29, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-09-05 PIPER: Amdt. 721 Part 507 Federal Register April 25, 1964. Applies to Model PA-30 Aircraft Serial Numbers 30-1 to 30-321 Inclusive. Compliance required as indicated. (a) Within the next 10 hours' time in service after the effective date of this AD, and within every 10 hours' time in service thereafter until a new alternate air door is installed per (b): (1) Inspect each engine induction system air takeoff assembly, P/N 23810- 00, for signs of hinge wear at the alternate air door P/N 23809-00. (2) Replace worn or loose alternate air doors before further flight. (b) Within the next 50 hours' time in service after the effective date of this AD, unless already accomplished, replace the P/N 23809-00 alternate air door with a new door P/N 23809-07 in accordance with Piper Kit Instructions 756794. After the new part is installed, the repetitive inspections in paragraph (a) are no longer required. (Piper Service Bulletin No. 220 covers this same subject.) This directive effective April 29, 1964. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_64-09-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-09-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-30 Aircraft Subject: Induction System Alternate Air Doors Status: Current Citation: Federal Register: April 25, 1964 Citation Publish Date: 04/25/1964 Effective Date: 04/29/1964 Make: Piper Aircraft Inc. Model: PA-30 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 64-09-05 CITATION: [Federal Register: April 25, 1964] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-09-05 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-30 Aircraft ACTION: SUMMARY: DATES: Effective April 29, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-09-05 PIPER: Amdt. 721 Part 507 Federal Register April 25, 1964. Applies to Model PA-30 Aircraft Serial Numbers 30-1 to 30-321 Inclusive. Compliance required as indicated. (a) Within the next 10 hours' time in service after the effective date of this AD, and within every 10 hours' time in service thereafter until a new alternate air door is installed per (b): (1) Inspect each engine induction system air takeoff assembly, P/N 23810- 00, for signs of hinge wear at the alternate air door P/N 23809-00. (2) Replace worn or loose alternate air doors before further flight. (b) Within the next 50 hours' time in service after the effective date of this AD, unless already accomplished, replace the P/N 23809-00 alternate air door with a new door P/N 23809-07 in accordance with Piper Kit Instructions 756794. After the new part is installed, the repetitive inspections in paragraph (a) are no longer required. (Piper Service Bulletin No. 220 covers this same subject.) This directive effective April 29, 1964. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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