AD 86-16-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aerosystems | 340A (SAAB SF340A) | Airworthiness Directives; SAAB-FAIRCHILD Model SF-340A Airplanes |
Unsafe Condition
Uncommanded pitch trim inputs due to elevator pitch trim synchronizer malfunction.
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Required Actions
Modify the elevator pitch trim synchronizer in accordance with SAAB-Fairchild Service Bulletin SF340-27-028, Revision 1, dated August 14, 1985. An alternate means of compliance or adjustment may be used if approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.
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Compliance Time
within 60 days after the effective date of this AD, unless previously accomplished
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Affected Aircraft
SAAB-FAIRCHILD Model SF-340A airplanes listed in Service Bulletin SF340-27-028, Revision 1, dated August 14, 1985
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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