AD 2005-04-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab | SAAB SF340A and SAAB 340B | Airworthiness Directives; Saab Model SAAB SF340A and SAAB 340B Series Airplanes |
Unsafe Condition
Premature failures of the direct current (DC) starter generator prior to scheduled overhaul, which could cause a low voltage situation in flight and result in increased pilot workload and reduced redundancy of the electrical powered systems.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform repetitive inspections for wear of the brushes and leads and for loose rivets of the DC starter generator. Replace the starter generator with a new or serviceable unit if brush wear is outside specified limits or if any rivet is loose. Measure brush life if brush tops are below the brush box and replace the generator if wear exceeds limits.
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Compliance Time
Before 800 flight hours since the last overhaul or within 100 flight hours after the effective date of this AD, whichever occurs later.
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Affected Aircraft
Saab Model SAAB SF340A series airplanes having serial numbers 004 through 159 inclusive, and Model SAAB 340B series airplanes having serial numbers 160 through 367 inclusive; certificated in any category; on which Saab Service Bulletin 340-24-026 (Modification 2533) has not been implemented.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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