AD 90-25-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 650 | Airworthiness Directives; CESSNA AIRCRAFT COMPANY Model 650 Series Airplanes |
Unsafe Condition
Complete loss of the pilots' primary flight instrument displays due to DME antenna cable connector issues and inadequate electrical bonding of DME antennas to airplane structure.
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Required Actions
Replace DME antenna cable connectors per Cessna Service Bulletin A650-34-68 Steps 1-3. Check or rework DME antenna electrical bonding per the service bulletin and restore system use per Steps 5-7. Allow alternate compliance with FAA approval.
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Compliance Time
within 25 hours time-in-service after the effective date of this AD, unless previously accomplished
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Affected Aircraft
Cessna Model 650 Series airplanes with serial numbers 650-0094 through -0096, -0098, -0136 through -0139, -0149, -0161, -0167, -0170, -0172, -0173, -0176 through 0182, -0184 through -0189, and -0192, equipped with Honeywell SPZ-8000 Digital Automatic Flight Control System.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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