AD 81-04-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fairchild Industries Products | Cockpit Voice Recorder | Airworthiness Directives; FAIRCHILD: Applies to Fairchild Industries Products: Cockpit Voice Recorder Model A100 Series |
Unsafe Condition
The omission of the thermal insulation assembly, P/N 9300-A18, could cause destruction of the recording tape in an aircraft accident involving fire.
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Required Actions
Inspect cockpit voice recorders in accordance with Fairchild Industrial Products Alert Field Service Bulletin No. CVR A140, paragraph 2B. Install missing thermal insulation assemblies following the specified or approved equivalent instructions. Equivalent instructions require approval from the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
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Compliance Time
Within 180 days after the effective date of this AD
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Affected Aircraft
Fairchild Industries Products: Cockpit Voice Recorder Model A100 series, serial numbers 4733 through 5260 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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