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AD 81-07-07 ACTIVE

Intercom System Overheating
Key Information
AD Number 81-07-07 Status Active
Effective Date August 05, 1985 Issue Date Not specified
Docket Number Unknown Amendment 39-5102
Product Type ["Aircraft"] Product Subtype ["Large Airplane"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) Israel Aircraft Industries, Ltd.
Model(s) 1123 1124 1124A
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 recipientsof air mail letter AD 81-07-07, issued March 20, 1981, which contained this amendment.