AD 84-10-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Hamburger Flugzeugbau G.m.b.H. | HFB 320 Hansa | Airworthiness Directives; MESSERSCHMITT-BOLKOW-BLOHM-GmbH Model HFB-320 Airplanes |
Unsafe Condition
Failure of the upper surface wing structure
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Required Actions
Perform a one-time inspection of the wing upper skin in accordance with the service bulletin. Repair cracks per the manufacturer's instructions. Alternate means of compliance may be used when approved by the FAA.
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Compliance Time
within the next 150 hours time in service or 90 days, whichever occurs first after the effective date of this AD for airplanes with 2400 hours total time in service on the effective date. All others must comply before accumulating 2550 hours time in service, but no later than 90 days after accumulating 2400 hours
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Affected Aircraft
Hamburger Flugzeugbau G.m.b.H. Model HFB 320 Hansa airplanes listed in HFB-320 Service Bulletin 57-19 dated February 5, 1982
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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