AD 81-10-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-44-180 | Airworthiness Directives; Piper Model PA-44-180 Airplanes |
Unsafe Condition
Cracks in the nose cone spars could result in malfunction of the nose landing gear.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 50 hours time in service after the effective date, visually inspect the nose cone spars for cracks per Piper SB No. 695 Part I. If cracks are found, modify per paragraph b or replace parts as required. Within 100 hours time in service after the effective date, modify the nose cone spars using Piper Kit P/N 764 080V unless already done. Record maintenance appropriately.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 50 hours time in service after the effective date of this AD (for inspection) and within the next 100 hours time in service after the effective date (for modification).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Piper Model PA-44-180 (Seminole), serial numbers 44-7995001 through 44-8095021, certificated in all categories.
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Federal Register Abstract
Nose Cone Spars
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_81-10-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-10-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-44-180 Airplanes Subject: Nose Cone Spars Status: Current Citation: This information is not available. Citation Publish Date: 05/04/1981 Effective Date: 04/30/1981 Make: Piper Aircraft Inc. Model: PA-44-180 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part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: 81-10-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4095 AD NUMBER: 81-10-01 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-44-180 Airplanes ACTION: SUMMARY: DATES: Effective April 30, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-10-01 PIPER AIRCRAFT CORPORATION: Amendment 39-4095. Model PA-44-180 (Seminole), serial numbers 44-7995001 through 44-8095021, airplanes certificated in all categories. Compliance required as indicated, unless already accomplished. To prevent cracks in the nose cone spars which could result in malfunction of the nose landing gear, accomplish the following: a. Within the next 50 hours time in service after the effective date of this AD, visually inspect the nose cone spars for cracks, in accordance with the instructions contained in Part I of Piper Aircraft Corporation Service Bulletin No. 695, dated September 10, 1980. If cracks are found, either modify as described in paragraph b below, or replace parts as required by Part I of the Piper Service Bulletin. The required inspection must be accomplished by a person authorized in accordance with FAR Part 43. b. Within the next 100 hours time in service after the effective date of this AD, modify the nose cone spars in accordance with Piper Kit P/N 764 080V unless already accomplished. c. Make appropriate maintenance record entry. An equivalent method of compliance may be accomplished if approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region. This amendment becomes effective April 30, 1981. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_81-10-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-10-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-44-180 Airplanes Subject: Nose Cone Spars Status: Current Citation: This information is not available. Citation Publish Date: 05/04/1981 Effective Date: 04/30/1981 Make: Piper Aircraft Inc. Model: PA-44-180 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: 81-10-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4095 AD NUMBER: 81-10-01 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-44-180 Airplanes ACTION: SUMMARY: DATES: Effective April 30, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-10-01 PIPER AIRCRAFT CORPORATION: Amendment 39-4095. Model PA-44-180 (Seminole), serial numbers 44-7995001 through 44-8095021, airplanes certificated in all categories. Compliance required as indicated, unless already accomplished. To prevent cracks in the nose cone spars which could result in malfunction of the nose landing gear, accomplish the following: a. Within the next 50 hours time in service after the effective date of this AD, visually inspect the nose cone spars for cracks, in accordance with the instructions contained in Part I of Piper Aircraft Corporation Service Bulletin No. 695, dated September 10, 1980. If cracks are found, either modify as described in paragraph b below, or replace parts as required by Part I of the Piper Service Bulletin. The required inspection must be accomplished by a person authorized in accordance with FAR Part 43. b. Within the next 100 hours time in service after the effective date of this AD, modify the nose cone spars in accordance with Piper Kit P/N 764 080V unless already accomplished. c. Make appropriate maintenance record entry. An equivalent method of compliance may be accomplished if approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region. This amendment becomes effective April 30, 1981. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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