AD 81-07-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Israel Aircraft Industries, Ltd. | 1123 | Airworthiness Directives; ISRAEL AIRCRAFT Models 1123, 1124, and 1124A Airplanes |
| aircraft | Israel Aircraft Industries, Ltd. | 1124 | Airworthiness Directives; ISRAEL AIRCRAFT Models 1123, 1124, and 1124A Airplanes |
| aircraft | Israel Aircraft Industries, Ltd. | 1124A | Airworthiness Directives; ISRAEL AIRCRAFT Models 1123, 1124, and 1124A Airplanes |
Unsafe Condition
Overheating of the intercom system audio load R-61 resistor could cause a fire.
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Required Actions
Replace the intercom system audio load R-61 resistor with an RH-25 resistor in an approved manner, following IAI Service Bulletin WW-25 for Model 1123 or WW-24-23 for Models 1124 and 1124A.
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Compliance Time
within the next 100 flight hours after the effective date of this amendment
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Affected Aircraft
Israel Aircraft Industries, Ltd. Models 1123, 1124, and 1124A (S/N 151 thru 315 except S/N 294, 296, 297, 309, 309, and 314)
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Federal Register Abstract
Intercom System Overheating
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_81-07-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-07-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; ISRAEL AIRCRAFT Models 1123, 1124, and 1124A Airplanes Subject: Intercom System Overheating Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/05/1985 Make: Israel Aircraft Industries, Ltd. Model: 1123 | 1124 | 1124A Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 81-07-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5102 AD NUMBER: 81-07-07 SUBJECT HEADING: Airworthiness Directives; ISRAEL AIRCRAFT Models 1123, 1124, and 1124A Airplanes ACTION: SUMMARY: DATES: Effective August 5, 1985. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-07-07 ISRAEL AIRCRAFT: Amendment 39-5102. Applies to Israel Aircraft Industries Ltd. Westwind Models 1123, 1124, and 1124A (S/N 151 thru 315 except S/N 294, 296, 297, 309, 310, and 314) airplanes, certificated in any category. Compliance is required within the next 100 flight hours after the effective date of this amendment, unless previously accomplished. A. To prevent fire due to overheating of the intercom system, replace the intercom system audio load R-61 resistor with an RH-25 resistor in a manner approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region, or in accordance with IAI Service Bulletin WW-25 for the Model 1123 and IAI Service Bulletin WW-24-23 for the Models 1124 and 1124A. B. Airplanes may be flown in accordance with FAR 21.197 and 21.199 to a maintenance base for accomplishment of the modification required by this AD. This amendment becomes effective August 5, 1985. It was effective earlier to all recipients of air mail letter AD 81-07-07, issued March 20, 1981, which contained this amendment. FOOTER:
Document Text
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AD Final Rules - DRS_81-07-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-07-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; ISRAEL AIRCRAFT Models 1123, 1124, and 1124A Airplanes Subject: Intercom System Overheating Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/05/1985 Make: Israel Aircraft Industries, Ltd. Model: 1123 | 1124 | 1124A 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: 81-07-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5102 AD NUMBER: 81-07-07 SUBJECT HEADING: Airworthiness Directives; ISRAEL AIRCRAFT Models 1123, 1124, and 1124A Airplanes ACTION: SUMMARY: DATES: Effective August 5, 1985. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-07-07 ISRAEL AIRCRAFT: Amendment 39-5102. Applies to Israel Aircraft Industries Ltd. Westwind Models 1123, 1124, and 1124A (S/N 151 thru 315 except S/N 294, 296, 297, 309, 310, and 314) airplanes, certificated in any category. Compliance is required within the next 100 flight hours after the effective date of this amendment, unless previously accomplished. A. To prevent fire due to overheating of the intercom system, replace the intercom system audio load R-61 resistor with an RH-25 resistor in a manner approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region, or in accordance with IAI Service Bulletin WW-25 for the Model 1123 and IAI Service Bulletin WW-24-23 for the Models 1124 and 1124A. B. Airplanes may be flown in accordance with FAR 21.197 and 21.199 to a maintenance base for accomplishment of the modification required by this AD. This amendment becomes effective August 5, 1985. It was effective earlier to all recipients of air mail letter AD 81-07-07, issued March 20, 1981, which contained this amendment. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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