AD 2003-11-07

final rule
Data completeness: 70%

Airworthiness Directives; Israel Aircraft Industries, Ltd. Model 1121, 1121A, 1121B, 1123, 1124, and 1124A Series Airplanes

AD Number
2003-11-07
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2002-NM-290-AD
FR Citation
68 FR 31952

Applicability

TypeManufacturerModelDetails
aircraft Israel Various Airworthiness Directives; Israel Aircraft Industries, Ltd. Model 1121, 1121A, 1121B, 1123, 1124, and 1124A Series Airplanes

Unsafe Condition

Rapid adiabatic compression within the oxygen line between the oxygen shutoff valve and the pressure regulator due to a shutoff valve that can be opened quickly, which could result in overheating of the oxygen system, and consequent fire in the cockpit.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Remove the existing oxygen shutoff valve and install a new oxygen shutoff valve per the Accomplishment Instructions of the applicable service bulletin specified in Table 1 of this AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 250 flight hours after the effective date of this AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

All Israel Aircraft Industries, Ltd. Model 1121, 1121A, 1121B, 1123, 1124, and 1124A series airplanes, certificated in any category.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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