AD 74-18-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell International Inc. | TFE731-2 | AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TFE731-2-1C and TFE731-2-2B Engines |
Unsafe Condition
The fuel control computer, part number 949572-5, may have internal defects that could result in engine failure.
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Required Actions
Inspect the fuel control computer internally in accordance with AiResearch campaign wire TFE731-A76-3005 or FAA-approved revisions. Equivalent procedures may be approved by the Chief, Aircraft Engineering Division, FAA Western Region, with adequate substantiation data.
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Compliance Time
Before further flight
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Affected Aircraft
AiResearch Model TFE731-2-1C and TFE731-2-2B engines installed in Lear-Gates Learjet model 35/36 and AMD Falcon 10 aircraft
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Federal Register Abstract
Fuel Control Computer
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_74-18-16.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-18-16 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TFE731-2-1C and TFE731-2-2B Engines Subject: Fuel Control Computer Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/06/1974 Make: Honeywell International Inc. Model: TFE731-2 Product Type: Engine Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 74-18-16 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1949 AD NUMBER: 74-18-16 SUBJECT HEADING: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TFE731-2-1C and TFE731-2-2B Engines ACTION: SUMMARY: DATES: Effective September 6, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-18-16 AIRESEARCH MANUFACTURING COMPANY OF ARIZONA: Amendment 39-1949. Applies to AiResearch Model TFE731-2-1C and TFE731-2-2B engines installed in, but not limited to, the Lear-Gates Learjet model 35/36 and the AMD Falcon 10 aircraft, certificated in all categories. (A) Before further flight, unless previously accomplished, and prior to the installation of replacement fuel control computers internally inspect the fuel control computer, P/N 949572-5, in accordance with AiResearch campaign wire TFE731-A76-3005, dated August 7, 1974, or later FAA-approved revisions. (B) Equivalent procedures may be approved by the Chief, Aircraft Engineering Division, FAA Western Region, upon submission of adequate substantiation data. (C) Aircraft may be flown to a base for performance of maintenance required by this AD per FAR's 21.197 and 21.199. This amendment is effective September 6, 1974, for all persons except those to whom it was made effective immediately by telegram dated August 7, 1974. FOOTER:
Document Text
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AD Final Rules - DRS_74-18-16.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-18-16 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TFE731-2-1C and TFE731-2-2B Engines Subject: Fuel Control Computer Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/06/1974 Make: Honeywell International Inc. Model: TFE731-2 Product Type: Engine Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 74-18-16 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1949 AD NUMBER: 74-18-16 SUBJECT HEADING: AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TFE731-2-1C and TFE731-2-2B Engines ACTION: SUMMARY: DATES: Effective September 6, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-18-16 AIRESEARCH MANUFACTURING COMPANY OF ARIZONA: Amendment 39-1949. Applies to AiResearch Model TFE731-2-1C and TFE731-2-2B engines installed in, but not limited to, the Lear-Gates Learjet model 35/36 and the AMD Falcon 10 aircraft, certificated in all categories. (A) Before further flight, unless previously accomplished, and prior to the installation of replacement fuel control computers internally inspect the fuel control computer, P/N 949572-5, in accordance with AiResearch campaign wire TFE731-A76-3005, dated August 7, 1974, or later FAA-approved revisions. (B) Equivalent procedures may be approved by the Chief, Aircraft Engineering Division, FAA Western Region, upon submission of adequate substantiation data. (C) Aircraft may be flown to a base for performance of maintenance required by this AD per FAR's 21.197 and 21.199. This amendment is effective September 6, 1974, for all persons except those to whom it was made effective immediately by telegram dated August 7, 1974. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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