AD 74-23-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-159 | Airworthiness Directives; GRUMMAN AMERICAN CORPORATION G-159 Airplanes |
Unsafe Condition
Failure of the fire extinguisher squib circuits due to single point failure of electrical power, which could result in inability to discharge fire extinguishers during an engine fire emergency.
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Required Actions
Remove existing left and right engine fire extinguisher switches and left hand eyebrow circuit breaker panel nameplate. Install MS24524-21 switches, electrical wiring, 159SB10112-1 nameplate, and check out system in accordance with Grumman Gulfstream I Aircraft Service Change 210.
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Compliance Time
within the next 200 hours time in service after the effective date of this airworthiness directive unless already accomplished
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Affected Aircraft
Grumman American Corporation G-159 airplanes certificated in all categories.
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Federal Register Abstract
Fire Extinguishers
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_74-23-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-23-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GRUMMAN AMERICAN CORPORATION G-159 Airplanes Subject: Fire Extinguishers Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/15/1974 Make: Gulfstream Aerospace Corporation Model: G-159 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 74-23-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2007 AD NUMBER: 74-23-08 SUBJECT HEADING: Airworthiness Directives; GRUMMAN AMERICAN CORPORATION G-159 Airplanes ACTION: SUMMARY: DATES: Effective November 15, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-23-08 GRUMMAN AMERICAN CORPORATION: Amendment 39-2007. Applies to Grumman G-159 airplanes certificated in all categories. Compliance required within the next 200 hours time in service after the effective date of this airworthiness directive unless already accomplished. To provide dual electrical power for the fire extinguisher squib circuits accomplish the following or an equivalent rework approved by the Chief, Engineering and Manufacturing Branch, Southern Region. Remove the existing left and right engine fire extinguisher switches and left hand eyebrow circuit breaker panel nameplate. Install MS24524-21 switches, electrical wiring, 159SB10112-1 nameplate and check out system in accordance with Grumman Gulfstream I Aircraft Service Change 210. This amendment becomes effective November 15, 1974. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_74-23-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-23-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GRUMMAN AMERICAN CORPORATION G-159 Airplanes Subject: Fire Extinguishers Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/15/1974 Make: Gulfstream Aerospace Corporation Model: G-159 Product Type: Aircraft Product Subtype: Large 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: 74-23-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2007 AD NUMBER: 74-23-08 SUBJECT HEADING: Airworthiness Directives; GRUMMAN AMERICAN CORPORATION G-159 Airplanes ACTION: SUMMARY: DATES: Effective November 15, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-23-08 GRUMMAN AMERICAN CORPORATION: Amendment 39-2007. Applies to Grumman G-159 airplanes certificated in all categories. Compliance required within the next 200 hours time in service after the effective date of this airworthiness directive unless already accomplished. To provide dual electrical power for the fire extinguisher squib circuits accomplish the following or an equivalent rework approved by the Chief, Engineering and Manufacturing Branch, Southern Region. Remove the existing left and right engine fire extinguisher switches and left hand eyebrow circuit breaker panel nameplate. Install MS24524-21 switches, electrical wiring, 159SB10112-1 nameplate and check out system in accordance with Grumman Gulfstream I Aircraft Service Change 210. This amendment becomes effective November 15, 1974. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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