AD 88-03-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 340 | Airworthiness Directives; Cessna Models 340, 340A and 414 Airplanes |
| aircraft | Cessna Aircraft Company | 340A | Airworthiness Directives; Cessna Models 340, 340A and 414 Airplanes |
| aircraft | Cessna Aircraft Company | 414 | Airworthiness Directives; Cessna Models 340, 340A and 414 Airplanes |
Unsafe Condition
Fuel line chafing or fuel leaks behind the engine firewall could lead to fuel system failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect crossfed fuel lines for chafing per Cessna Service Bulletin MEB87-7, revise firewall stiffener flanges and fuel lines as per the same bulletin, and replace affected lines with airworthy parts if chafing exceeds criteria.
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
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Affected Aircraft
Cessna Models 340 (Serial Numbers 340-0001 thru 340A1817), 340A (Serial Numbers 340-0001 thru 340A1817), and 414 (Serial Numbers 414-0001 thru 414-0965)
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Inspect Fuel Lines
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_88-03-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 88-03-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Cessna Models 340, 340A and 414 Airplanes Subject: Inspect Fuel Lines Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/10/1988 Make: Cessna Aircraft Company Model: 340 | 340A | 414 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 88-03-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5841 AD NUMBER: 88-03-07 SUBJECT HEADING: Airworthiness Directives; Cessna Models 340, 340A and 414 Airplanes ACTION: SUMMARY: DATES: Effective February 10, 1988. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 88-03-07 CESSNA: Amendment 39-5841. Applies to Cessna Models 340, 340A (Serial Numbers 340-0001 thru 340A1817) and 414 (Serial Numbers 414-0001 thru 414-0965) airplanes certificated in any category. Compliance: Required within the next 50 hours time-in-service after the effective date of this AD, unless already accomplished. To detect and correct fuel line chafing or fuel leaks behind the engine firewall, accomplish the following: (a) Remove both firewall access covers and inspect the crossfed fuel lines for evidence of chafing in accordance with Cessna Service Bulletin No. MEB87-7, Revision 1, dated January 8, 1988. (b) If, as a result of the inspection required by paragraph (a), evidence of chafing is found that exceeds the criteria specified in Cessna Service Bulletin, No. MEB 87-7, Revision 1, dated January 8, 1988, prior to further flight, replace the affected line with an airworthy part. (c) In addition to the inspection required in paragraph (a), modify the firewall stiffener flanges and fuel lines in accordance with Cessna Service bulletin No. MEB87-7, Revision 1, dated January 8, 1988. (d) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. (e) An equivalent means of compliance with this AD may be used if approved by the Manager, Wichita Aircraft Certification Office, FAA, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas 67209. All persons affected by this directive may obtain copies of the document(s) referred to herein upon request to Cessna Aircraft Company, Customer Service, P.O. Box 7704, Wichita, Kansas 67277; or may examine the document(s) at the FAA, Office of the Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106. This amendment 39-5841 supersedes AD 87-23-11, Amendment 39-5782, published in the Federal Register on November 30, 1987, (52 FR 45451). This amendment 39-5841 becomes effective on February 10, 1988. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_88-03-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 88-03-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Cessna Models 340, 340A and 414 Airplanes Subject: Inspect Fuel Lines Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/10/1988 Make: Cessna Aircraft Company Model: 340 | 340A | 414 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: 88-03-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5841 AD NUMBER: 88-03-07 SUBJECT HEADING: Airworthiness Directives; Cessna Models 340, 340A and 414 Airplanes ACTION: SUMMARY: DATES: Effective February 10, 1988. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 88-03-07 CESSNA: Amendment 39-5841. Applies to Cessna Models 340, 340A (Serial Numbers 340-0001 thru 340A1817) and 414 (Serial Numbers 414-0001 thru 414-0965) airplanes certificated in any category. Compliance: Required within the next 50 hours time-in-service after the effective date of this AD, unless already accomplished. To detect and correct fuel line chafing or fuel leaks behind the engine firewall, accomplish the following: (a) Remove both firewall access covers and inspect the crossfed fuel lines for evidence of chafing in accordance with Cessna Service Bulletin No. MEB87-7, Revision 1, dated January 8, 1988. (b) If, as a result of the inspection required by paragraph (a), evidence of chafing is found that exceeds the criteria specified in Cessna Service Bulletin, No. MEB 87-7, Revision 1, dated January 8, 1988, prior to further flight, replace the affected line with an airworthy part. (c) In addition to the inspection required in paragraph (a), modify the firewall stiffener flanges and fuel lines in accordance with Cessna Service bulletin No. MEB87-7, Revision 1, dated January 8, 1988. (d) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. (e) An equivalent means of compliance with this AD may be used if approved by the Manager, Wichita Aircraft Certification Office, FAA, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas 67209. All persons affected by this directive may obtain copies of the document(s) referred to herein upon request to Cessna Aircraft Company, Customer Service, P.O. Box 7704, Wichita, Kansas 67277; or may examine the document(s) at the FAA, Office of the Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106. This amendment 39-5841 supersedes AD 87-23-11, Amendment 39-5782, published in the Federal Register on November 30, 1987, (52 FR 45451). This amendment 39-5841 becomes effective on February 10, 1988. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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