AD 69-12-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Israel Aircraft Industries, Ltd. | 1121 | AERO COMMANDER DIVISION, NORTH AMERICAN ROCKWELL CORPORATION Model 1121 Series Airplanes |
| aircraft | Israel Aircraft Industries, Ltd. | 1121A | AERO COMMANDER DIVISION, NORTH AMERICAN ROCKWELL CORPORATION Model 1121 Series Airplanes |
| aircraft | Israel Aircraft Industries, Ltd. | 1121B | AERO COMMANDER DIVISION, NORTH AMERICAN ROCKWELL CORPORATION Model 1121 Series Airplanes |
Unsafe Condition
Failures of fuel supply system hose assemblies, part numbers AE700024-1, 6723008-65, 6723008-67, 6723008-149, and 6723008-179, due to separation of the hose liner material from the wire braid reinforcing cover.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 15 hours' time in service after the effective date, inspect fuel system flexible hose assemblies for leakage, install fuel valve switch guards (P/N 5883082-93 or equivalent), and insert FAA-approved AFM revision. Within 100 hours' time in service, vacuum test removed hose assemblies for liner separation. Replace defective hoses before further flight per Service Bulletin J-7.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 15 hours' time in service after the effective date of this AD (for initial inspections and installations) and within the next 100 hours' time in service after the effective date (for vacuum testing). Replace defective hoses before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Aero Commander Division, North American Rockwell Corporation Model 1121 series airplanes, serial numbers 3 through 150.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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