AD 76-09-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Hamburger Flugzeugbau G.m.b.H. | HFB 320 Hansa | Airworthiness Directives; HAMBURGER FLUGZEUGBAU GmbH Model HFB-320 Hansa Airplanes |
Unsafe Condition
Possible abrupt unwanted deflection of nose wheel steering caused by a disengaged torque coupling.
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Required Actions
Inspect the nose landing gear steering torque coupling to ensure proper engaged position; apply paint markings to the shaft and housing per HFB 320 Hansa Alert Service Bulletin 32-24A; install an operating limitations placard instructing pilots to check markings before each takeoff.
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Compliance Time
Within the next 10 hours time in service after the effective date of this AD
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Affected Aircraft
HAMBURGER FLUGZEUGBAU GmbH Model HFB-320 Hansa airplanes, serial numbers 1021 thru 1023, 1026 thru 1028, 1030 thru 1040, 1045, and 1049 thru 1055.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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