AD 70-15-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 336 | Airworthiness Directives; CESSNA Model 336, 337, 337A, B, C and D, T337B, C and D Airplanes |
| aircraft | Cessna Aircraft Company | 337 | Airworthiness Directives; CESSNA Model 336, 337, 337A, B, C and D, T337B, C and D Airplanes |
| aircraft | Cessna Aircraft Company | 337A | Airworthiness Directives; CESSNA Model 336, 337, 337A, B, C and D, T337B, C and D Airplanes |
| aircraft | Cessna Aircraft Company | 337B | Airworthiness Directives; CESSNA Model 336, 337, 337A, B, C and D, T337B, C and D Airplanes |
| aircraft | Cessna Aircraft Company | 337C | Airworthiness Directives; CESSNA Model 336, 337, 337A, B, C and D, T337B, C and D Airplanes |
| aircraft | Cessna Aircraft Company | 337D | Airworthiness Directives; CESSNA Model 336, 337, 337A, B, C and D, T337B, C and D Airplanes |
| aircraft | Cessna Aircraft Company | T337B | Airworthiness Directives; CESSNA Model 336, 337, 337A, B, C and D, T337B, C and D Airplanes |
| aircraft | Cessna Aircraft Company | T337C | Airworthiness Directives; CESSNA Model 336, 337, 337A, B, C and D, T337B, C and D Airplanes |
| aircraft | Cessna Aircraft Company | T337D | Airworthiness Directives; CESSNA Model 336, 337, 337A, B, C and D, T337B, C and D Airplanes |
Unsafe Condition
Damage to fuel quantity indicators and fuel tank transmitters due to overheating, which can result in smoke emission in the cockpit and inaccurate fuel quantity indication.
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Required Actions
Install a cooling duct directing ram air over the fuel quantity indicators and perform a functional ground check of the fuel quantity system in accordance with Cessna Service Letter No. ME70-24 or later FAA approved revision.
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Compliance Time
Within 50 hours' time in service after the effective date of this AD
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Affected Aircraft
Cessna Model 336 (Serial Numbers 336-0001 through 336-0195), 337, 337A, B, C and D (Serial Numbers 337-0001 through 337-1193), T337B, C and D (Serial Numbers 337-0526 through 337-1193) airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Fuel Quantity Indicators
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_70-15-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 70-15-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; CESSNA Model 336, 337, 337A, B, C and D, T337B, C and D Airplanes Subject: Fuel Quantity Indicators Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/21/1970 Make: Cessna Aircraft Company Model: 336 | 337 | 337A | 337B | 337C | 337D | T337B | T337C | T337D 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: 70-15-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1036 AD NUMBER: 70-15-02 SUBJECT HEADING: Airworthiness Directives; CESSNA Model 336, 337, 337A, B, C and D, T337B, C and D Airplanes ACTION: SUMMARY: DATES: Effective July 21, 1970. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 70-15-02 CESSNA: Amdt. 39-1036. Applies to Models 336 (Serial Numbers 336-0001 through 336-0195), 337, 337A, B, C and D (Serial Numbers 337-0001 through 337-1193), T337B, C and D (Serial Numbers 337-0526 through 337-1193) Airplanes. Compliance: Required as indicated, unless already accomplished. To prevent damage to fuel quantity indicators and the fuel tank transmitters due to overheating which can result in smoke emission in the cockpit and inaccurate fuel quantity indication, accomplish the following: Within 50 hours' time in service after the effective date of this AD, install a cooling duct directing ram air over the fuel quantity indicators and perform a functional ground check of the fuel quantity system in accordance with the instructions contained in Cessna Service Letter No. ME70-24, dated July 7, 1970, or later FAA approved revision, or any other method approved by the Chief, Engineering & Manufacturing Branch, FAA, Central Region. This amendment becomes effective July 21, 1970. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_70-15-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 70-15-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; CESSNA Model 336, 337, 337A, B, C and D, T337B, C and D Airplanes Subject: Fuel Quantity Indicators Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/21/1970 Make: Cessna Aircraft Company Model: 336 | 337 | 337A | 337B | 337C | 337D | T337B | T337C | T337D 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: 70-15-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1036 AD NUMBER: 70-15-02 SUBJECT HEADING: Airworthiness Directives; CESSNA Model 336, 337, 337A, B, C and D, T337B, C and D Airplanes ACTION: SUMMARY: DATES: Effective July 21, 1970. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 70-15-02 CESSNA: Amdt. 39-1036. Applies to Models 336 (Serial Numbers 336-0001 through 336-0195), 337, 337A, B, C and D (Serial Numbers 337-0001 through 337-1193), T337B, C and D (Serial Numbers 337-0526 through 337-1193) Airplanes. Compliance: Required as indicated, unless already accomplished. To prevent damage to fuel quantity indicators and the fuel tank transmitters due to overheating which can result in smoke emission in the cockpit and inaccurate fuel quantity indication, accomplish the following: Within 50 hours' time in service after the effective date of this AD, install a cooling duct directing ram air over the fuel quantity indicators and perform a functional ground check of the fuel quantity system in accordance with the instructions contained in Cessna Service Letter No. ME70-24, dated July 7, 1970, or later FAA approved revision, or any other method approved by the Chief, Engineering & Manufacturing Branch, FAA, Central Region. This amendment becomes effective July 21, 1970. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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