AD 48-01-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | FS 2003 Corp. | PA-12 | Airworthiness Directives; Piper Model PA-12 Aircraft |
Unsafe Condition
Interference between the nose cowl and starter ring gear casting and loose cowl attachments could result in cowl separation or failure of the gear casting.
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Required Actions
Inspect for interference between the nose cowl and starter ring gear casting and check tightness of cowl attachments. Replace gear casting if scored deeper than 1/32 inch. Install cowl support braces (Piper P/N 11410) prior to June 1, 1948.
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Compliance Time
Compliance required by February 1, 1948, and at each periodic inspection with modification not later than June 1, 1948.
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Affected Aircraft
PA-12 Aircraft with serial numbers 12-1 Through 12-1989; 12-1991 Through 12-1993; 12-1997; 12-1999; 12-2001 Through 12-3443; 12-3445 Through 12-3450; 12-3452 Through 12-3457; 12-3461 Through 12-3465; 12-3481; 12-3535 Through 12-3542; 12-3553; 12-3901; 12-3903 Through 12-3934; 12-3936; 12-3940; 12-3941; 12-3943 Through 12-3954; 12-3961; 12-3964 Through 12-3970; and 12-3988.
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Federal Register Abstract
Cowl Support Braces
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_48-01-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 48-01-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-12 Aircraft Subject: Cowl Support Braces Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: FS 2003 Corp. Model: PA-12 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 48-01-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 48-01-02 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-12 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 48-01-02 PIPER: Applies to PA-12 Aircraft Serial Numbers 12-1 Through 12-1989; 12- 1991 Through 12-1993; 12-1997; 12-1999; 12-2001 Through 12-3443; 12-3445 Through 12- 3450; 12-3452 Through 12-3457; 12-3461 Through 12-3465; 12-3481; 12-3535 Through 12- 3542; 12-3553; 12-3901; 12-3903 Through 12-3934; 12-3936; 12-3940; 12-3941; 12-3943 Through 12-3954; 12-3961; 12-3964 Through 12-3970; and 12-3988. Compliance required by February 1, 1948, and at each periodic inspection with modification not later than June 1, 1948. Inspect for interference between the nose cowl and starter ring gear casting and for tightness of the cowl attachments. Replace gear casting if scored deeper than 1/32 inch. Prior to June 1, 1948, install cowl support braces, Piper P/N 11410, to insure proper position and support of cowl. (Piper Service Bulletin No. 100 dated October 20, 1947, covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_48-01-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 48-01-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-12 Aircraft Subject: Cowl Support Braces Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: FS 2003 Corp. Model: PA-12 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 48-01-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 48-01-02 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-12 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 48-01-02 PIPER: Applies to PA-12 Aircraft Serial Numbers 12-1 Through 12-1989; 12- 1991 Through 12-1993; 12-1997; 12-1999; 12-2001 Through 12-3443; 12-3445 Through 12- 3450; 12-3452 Through 12-3457; 12-3461 Through 12-3465; 12-3481; 12-3535 Through 12- 3542; 12-3553; 12-3901; 12-3903 Through 12-3934; 12-3936; 12-3940; 12-3941; 12-3943 Through 12-3954; 12-3961; 12-3964 Through 12-3970; and 12-3988. Compliance required by February 1, 1948, and at each periodic inspection with modification not later than June 1, 1948. Inspect for interference between the nose cowl and starter ring gear casting and for tightness of the cowl attachments. Replace gear casting if scored deeper than 1/32 inch. Prior to June 1, 1948, install cowl support braces, Piper P/N 11410, to insure proper position and support of cowl. (Piper Service Bulletin No. 100 dated October 20, 1947, covers this same subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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