AD 89-03-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 650 | CESSNA Model 650 Series Airplanes |
Unsafe Condition
Non-restorable loss of all avionics power due to incorrectly installed wiring of the avionics bus relays.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform an operational check of the avionics bus relays within 25 hours time-in-service after the effective date using Cessna Alert Service Letter SLA650-24-14. If wiring is incorrectly installed, modify it prior to further flight. Submit a report within 5 days of the check to the FAA Wichita Aircraft Certification Office.
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Compliance Time
Within 25 hours time-in-service after the effective date of this AD, and prior to further flight if wiring is incorrectly installed.
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Affected Aircraft
Cessna Model 650 series airplanes, serial numbers 650-0067 through 650-0165, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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