AD 89-23-18
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aerosystems | 340A (SAAB SF340A) | Airworthiness Directives; SAAB-SCANIA Model SF-340A Series Airplanes |
Unsafe Condition
Failure of the emergency lighting circuit system could result in inoperative emergency lighting during an emergency situation.
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Required Actions
Modify the emergency lighting activation circuit in accordance with SAAB Service Bulletin SF340-33-028, Revision 1, within 60 days after the effective date of this AD. Alternate means of compliance or adjustment may be approved by the Manager, Standardization Branch, ANM-113.
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Compliance Time
Within 60 days after the effective date of this AD
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Affected Aircraft
Saab AB, Saab Aerosystems Model SF-340A series airplanes, Serial Numbers -004 through -159
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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