AD 78-24-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Israel Aircraft Industries, Ltd. | 1121 | Airworthiness Directives; ISRAEL AIRCRAFT INDUSTRIES (IAI) Model 1121, 1121A, and 1121B Airplanes |
| aircraft | Israel Aircraft Industries, Ltd. | 1121A | Airworthiness Directives; ISRAEL AIRCRAFT INDUSTRIES (IAI) Model 1121, 1121A, and 1121B Airplanes |
| aircraft | Israel Aircraft Industries, Ltd. | 1121B | Airworthiness Directives; ISRAEL AIRCRAFT INDUSTRIES (IAI) Model 1121, 1121A, and 1121B Airplanes |
Unsafe Condition
Damage to flexible fuel lines and potential fire in the event of an uncontrolled Ni-Cad battery thermal runaway.
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Required Actions
Modify the flexible fuel line installation and after modification perform inspections and leak tests in accordance with Commodore Jet Service Bulletin No. CJ-16, dated May 31, 1977, or equivalent approved by the FAA.
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Compliance Time
within the next 150 hours time in service after the effective date of this AD
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Affected Aircraft
Israel Aircraft Industries, Ltd. Model 1121, 1121A, and 1121B airplanes, Serial Numbers through 150 except 107 equipped with Ni-Cad battery overtemperature warning or combination overtemperature warning and indicator systems relying on a common single sensor per battery.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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