AD 47-32-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Scotts-Bell 47 Inc | 47B | Airworthiness Directives; Bell Model 47B and 47B3 Airplanes |
| aircraft | Scotts-Bell 47 Inc | 47B3 | Airworthiness Directives; Bell Model 47B and 47B3 Airplanes |
Unsafe Condition
Cracking or failing of the phenolic abutments in the stabilizer bar dampers, which can render the dampers ineffective and affect flight characteristics.
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Required Actions
Inspect stabilizer bar dampers for an 'AL' stamped on attachment lugs. If no marking, visually inspect for leakage or defects and replace with P/N A12141 (stamped 'AL') if necessary.
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Compliance Time
not later than 25 hours operation after September 15, 1947
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Affected Aircraft
Scotts-Bell 47 Inc Models 47B and 47B3, serial numbers 2 Through 5, 7 Through 11, 13 Through 17, 19 Through 25, 27 Through 78
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Federal Register Abstract
Stabilizer Bar Dampers
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_47-32-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-32-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 47B and 47B3 Airplanes Subject: Stabilizer Bar Dampers Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Scotts-Bell 47 Inc Model: 47B | 47B3 Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-32-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-32-08 SUBJECT HEADING: Airworthiness Directives; Bell Model 47B and 47B3 Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-32-08 BELL: (Was Mandatory Note 8 of AD-1H-1.) Applies to Models 47B and 47B3 Serial Numbers 2 Through 5, 7 Through 11, 13 Through 17, 19 Through 25, 27 Through 78. Compliance required not later than 25 hours operation after September 15, 1947. The stabilizer bar dampers should be inspected for the presence of an "AL" stamped on one of the attachment lugs. If such a marking does not appear, thoroughly inspect visually for leakage or other defects and replace if necessary with P/N A12141 (Houds) (stamped "AL"). A cracking or failing of the phenolic abutments has been reported, wherein the subject dampers have been rendered ineffective, thus affecting the flight characteristics of the helicopter. (Bell Service Bulletin 47C47 covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_47-32-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-32-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 47B and 47B3 Airplanes Subject: Stabilizer Bar Dampers Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Scotts-Bell 47 Inc Model: 47B | 47B3 Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-32-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-32-08 SUBJECT HEADING: Airworthiness Directives; Bell Model 47B and 47B3 Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-32-08 BELL: (Was Mandatory Note 8 of AD-1H-1.) Applies to Models 47B and 47B3 Serial Numbers 2 Through 5, 7 Through 11, 13 Through 17, 19 Through 25, 27 Through 78. Compliance required not later than 25 hours operation after September 15, 1947. The stabilizer bar dampers should be inspected for the presence of an "AL" stamped on one of the attachment lugs. If such a marking does not appear, thoroughly inspect visually for leakage or other defects and replace if necessary with P/N A12141 (Houds) (stamped "AL"). A cracking or failing of the phenolic abutments has been reported, wherein the subject dampers have been rendered ineffective, thus affecting the flight characteristics of the helicopter. (Bell Service Bulletin 47C47 covers this same subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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Related Airworthiness Directives
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