AD 2021-23-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Pacific Aerospace Limited Airplanes |
Unsafe Condition
insufficient separation of ground terminations for individual power sources and static grounds
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
inspect the battery installation in the engine bay to determine if the ground leads connect to a single ground stud, and if so, separate the battery ground lead connections by following the Accomplishment Instructions, steps 4 through 36, of Pacific Aerospace Mandatory Service Bulletin PACSB/XL/104, Issue 1, dated May 2, 2018
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Compliance Time
Within 12 months after the effective date of this AD
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Affected Aircraft
Pacific Aerospace Limited Model 750XL airplanes, serial numbers up to and including 222, certificated in any category, with the battery installed within the engine bay at the firewall
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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