AD 88-03-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Hamburger Flugzeugbau G.m.b.H. | HFB 320 Hansa | Airworthiness Directives; HAMBURGER FLUGZEUGBAU Model HFB-320-HANSA Series Airplanes |
Unsafe Condition
Asymmetric configuration of wing flaps, slats, and speed brakes due to failure of bolts, drive shafts, or rotary selectors may cause degradation of lateral control.
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Required Actions
Within 30 days after the effective date, inspect and replace as necessary the bolts, drive shafts, and rotary selectors for the wing flaps, slats, and speed brakes per Messerschmitt-Bolkow-Blohm GmbH Service Bulletin 27-74 dated July 1, 1986. Alternate means of compliance or adjustment may be used with FAA concurrence.
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Compliance Time
Within 30 days after the effective date of this AD
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Affected Aircraft
HAMBURGER FLUGZEUGBAU Model HFB-320-HANSA series airplanes, Serial Numbers 1021, 1023, 1026, 1030, 1033, 1035, 1040, 1045, and 1050-1057
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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