AD Amdt-39-9553
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker | F27 Mark 050 and Model F28 Mark 0100 | Airworthiness Directives; Fokker Model F27 Mark 050 and Model F28 Mark 0100 Series Airplanes |
Unsafe Condition
Circuit breaker terminal bolts that are too long could damage the insulation screen between adjacent rows of circuit breakers, leading to electrical arcing and loss of the associated electrical system, which could result in an electrical fire.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect to verify adequate clearance between the insulation screen and adjacent terminal bolts. Replace circuit breaker terminal bolts with new bolts if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Fokker Model F27 Mark 050 and Model F28 Mark 0100 series airplanes with circuit breaker panels where bolts may be too long.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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