AD 78-03-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Scotts-Bell 47 Inc | 47 | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47B | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47B3 | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47D | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47D1 | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47E | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-2 | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-2A | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-2A-1 | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-3 | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-3B | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-3B-1 | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-3B-2 | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-3B-2A | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-4 | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-4A | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-5 | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-5A | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47H-1 | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47J | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47J-2 | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47J-2A | Airworthiness Directives; Bell Model 47 Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47K | Airworthiness Directives; Bell Model 47 Series Helicopters |
Unsafe Condition
Failure of the hopper upper support bracket (P/N B630224) due to cracks and/or deformation.
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Required Actions
Inspect the hopper upper support bracket (P/N B630224) for cracks and/or deformation within the next 25 flight hours and at each subsequent 25 flight hours. Replace or repair if cracks or deformation are found. Inspections may stop after installing Simplex Modification No. E201 or an approved equivalent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 25 flight hours and at each 25 flight hours thereafter
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Affected Aircraft
Scotts-Bell 47 Inc Model 47, 47B, 47B3, 47D, 47D1, 47E, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, and others as modified by STC SH357SW.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Hopper Support Bracket (STC SH357SW)
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_78-03-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-03-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 47 Series Helicopters Subject: Hopper Support Bracket (STC SH357SW) Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/06/1978 Make: Scotts-Bell 47 Inc Model: 47 | 47B | 47B3 | 47D | 47D1 | 47E | 47G | 47G-2 | 47G-2A | 47G-2A-1 | 47G-3 | 47G-3B | 47G-3B-1 | 4...Show more 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: 78-03-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3131 AD NUMBER: 78-03-01 SUBJECT HEADING: Airworthiness Directives; Bell Model 47 Series Helicopters ACTION: SUMMARY: DATES: Effective March 6, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-03-01 BELL 47 SERIES AS MODIFIED BY STC SH357SW: Amendment 39- 3131. To preclude failure of the hopper upper support bracket, accomplish the following: Within the next 25 hours flight time and at each 25 flight hours thereafter, inspect the hopper upper support bracket (P/N B630224) for cracks and/or deformation. If cracks and/or deformation are found, replace or repair. Inspections may be discontinued upon installation of Simplex Modification No. E201 (See Fig. 1), or equivalent modification or repair approved by an FAA Maintenance Inspector. The manufacturer's repair, identified and described in this directive is incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received the repair documents from the manufacturer, may obtain copies upon request to Simplex Manufacturing Company, 5224 N.E. 42nd Avenue, Portland, Oregon 97218. This repair document may also be examined at FAA Northwest Region, 9010 E. Marginal Way South, Seattle, Washington 98108. This amendment becomes effective March 6, 1978. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_78-03-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-03-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 47 Series Helicopters Subject: Hopper Support Bracket (STC SH357SW) Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/06/1978 Make: Scotts-Bell 47 Inc Model: 47 | 47B | 47B3 | 47D | 47D1 | 47E | 47G | 47G-2 | 47G-2A | 47G-2A-1 | 47G-3 | 47G-3B | 47G-3B-1 | 4...Show more 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: 78-03-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3131 AD NUMBER: 78-03-01 SUBJECT HEADING: Airworthiness Directives; Bell Model 47 Series Helicopters ACTION: SUMMARY: DATES: Effective March 6, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-03-01 BELL 47 SERIES AS MODIFIED BY STC SH357SW: Amendment 39- 3131. To preclude failure of the hopper upper support bracket, accomplish the following: Within the next 25 hours flight time and at each 25 flight hours thereafter, inspect the hopper upper support bracket (P/N B630224) for cracks and/or deformation. If cracks and/or deformation are found, replace or repair. Inspections may be discontinued upon installation of Simplex Modification No. E201 (See Fig. 1), or equivalent modification or repair approved by an FAA Maintenance Inspector. The manufacturer's repair, identified and described in this directive is incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received the repair documents from the manufacturer, may obtain copies upon request to Simplex Manufacturing Company, 5224 N.E. 42nd Avenue, Portland, Oregon 97218. This repair document may also be examined at FAA Northwest Region, 9010 E. Marginal Way South, Seattle, Washington 98108. This amendment becomes effective March 6, 1978. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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