AD 98-16-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aerosystems | SAAB 2000 | Airworthiness Directives; Saab Model SAAB 2000 Series Airplanes |
Unsafe Condition
The attachment nut that secures the borescope plug to the propeller gearbox may not be installed properly, leading to oil leakage from the propeller gearbox, which could increase oil temperature and result in engine shutdown.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a one-time visual inspection of the borescope plug in the right- and left-hand propeller gearboxes to ensure the attachment nut is installed. If not installed, install an attachment nut prior to further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 3 days after the effective date of this AD, or prior to further flight if the nut is not installed.
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Affected Aircraft
Saab Model SAAB 2000 series airplanes, serial numbers -004 through -056 inclusive, on which Saab Service Bulletin 2000-30-015 or Statement 73PPS1634 has been accomplished.
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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