AD 88-10-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | A23-24 | Airworthiness Directives; Beech Model A23-24, A24, A24R, B24R, and C24R Airplanes |
| aircraft | Textron Aviation Inc. | A24 | Airworthiness Directives; Beech Model A23-24, A24, A24R, B24R, and C24R Airplanes |
| aircraft | Textron Aviation Inc. | A24R | Airworthiness Directives; Beech Model A23-24, A24, A24R, B24R, and C24R Airplanes |
| aircraft | Textron Aviation Inc. | B24R | Airworthiness Directives; Beech Model A23-24, A24, A24R, B24R, and C24R Airplanes |
| aircraft | Textron Aviation Inc. | C24R | Airworthiness Directives; Beech Model A23-24, A24, A24R, B24R, and C24R Airplanes |
Unsafe Condition
Reduction or loss of engine power due to fuel flow blockage resulting from broken electric fuel boost pump vanes in the engine driven fuel pump.
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Required Actions
Replace the existing electric fuel boost pump with Beech P/N 1816-00-1 (for 14 volt systems) or P/N 1817-00-1 (for 28 volt systems) per Beech MSB No. 2217. Allow flight under FAR 21.197 to a location where this AD can be accomplished. Equivalent compliance may be approved by the FAA Manager, Aircraft Certification Office.
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Compliance Time
within the next 100 hours time-in-service after the effective date of this AD
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Affected Aircraft
Beech Models A23-24 (S/N MA-1-MA-368), A24 (S/N MA-1-MA-368), A24R (S/N MC-2-MC-95 and MC-96-MC-795), B24R, and C24R (S/N MC-96-MC-795)
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Fuel Boost Pump
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_88-10-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 88-10-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Beech Model A23-24, A24, A24R, B24R, and C24R Airplanes Subject: Fuel Boost Pump Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/06/1988 Make: Textron Aviation Inc. Model: A23-24 | A24 | A24R | B24R | C24R Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 88-10-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5904 AD NUMBER: 88-10-01 SUBJECT HEADING: Airworthiness Directives; Beech Model A23-24, A24, A24R, B24R, and C24R Airplanes ACTION: SUMMARY: DATES: Effective June 6, 1988. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 88-10-01 BEECH: Amendment 39-5904. Applies to Models A23-24 and A24 (Serial Numbers (S/Ns) MA-1 through MA-368); Model A24R (S/Ns MC-2 through MC-95); Models A24R, B24R, and C24R (S/Ns MC-96 through MC-795), airplanes certificated in any category. Compliance: Required within the next 100 hours time-in-service after the effective date of this AD, unless already accomplished. To prevent reduction or loss of engine power due to fuel flow blockage resulting from broken electric fuel boost pump vanes in the engine driven fuel pump, accomplish the following: (a) For airplanes with 14 volt electrical systems, replace the existing electric fuel boost pump with a Beech P/N 1816-00-1 pump in accordance with the instructions in Beech Service Bulletin (MSB) No. 2217, dated February 1988. (b) For airplanes with 28 volt electrical systems, replace the existing electric fuel boost pump with a Beech P/N 1817-00-1 pump in accordance with the instructions in Beech MSB No. 2217, dated February 1988. (c) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. (d) An equivalent means of compliance with this AD may be used if approved by the Manager, Aircraft Certification Office, Federal Aviation Administration, 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 Beech Aircraft Corporation, Commercial Service, Department 52, P.O. Box 85, Wichita, Kansas 67201-0085; or may examine the document(s) referred to herein at FAA, Office of the Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106. This amendment becomes effective on June 6, 1988. FOOTER:
Document Text
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AD Final Rules - DRS_88-10-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 88-10-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Beech Model A23-24, A24, A24R, B24R, and C24R Airplanes Subject: Fuel Boost Pump Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/06/1988 Make: Textron Aviation Inc. Model: A23-24 | A24 | A24R | B24R | C24R 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: 88-10-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5904 AD NUMBER: 88-10-01 SUBJECT HEADING: Airworthiness Directives; Beech Model A23-24, A24, A24R, B24R, and C24R Airplanes ACTION: SUMMARY: DATES: Effective June 6, 1988. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 88-10-01 BEECH: Amendment 39-5904. Applies to Models A23-24 and A24 (Serial Numbers (S/Ns) MA-1 through MA-368); Model A24R (S/Ns MC-2 through MC-95); Models A24R, B24R, and C24R (S/Ns MC-96 through MC-795), airplanes certificated in any category. Compliance: Required within the next 100 hours time-in-service after the effective date of this AD, unless already accomplished. To prevent reduction or loss of engine power due to fuel flow blockage resulting from broken electric fuel boost pump vanes in the engine driven fuel pump, accomplish the following: (a) For airplanes with 14 volt electrical systems, replace the existing electric fuel boost pump with a Beech P/N 1816-00-1 pump in accordance with the instructions in Beech Service Bulletin (MSB) No. 2217, dated February 1988. (b) For airplanes with 28 volt electrical systems, replace the existing electric fuel boost pump with a Beech P/N 1817-00-1 pump in accordance with the instructions in Beech MSB No. 2217, dated February 1988. (c) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. (d) An equivalent means of compliance with this AD may be used if approved by the Manager, Aircraft Certification Office, Federal Aviation Administration, 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 Beech Aircraft Corporation, Commercial Service, Department 52, P.O. Box 85, Wichita, Kansas 67201-0085; or may examine the document(s) referred to herein at FAA, Office of the Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106. This amendment becomes effective on June 6, 1988. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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