AD 88-11-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bruce Industries, Inc. | Ballasts | Airworthiness Directives; BRUCE INDUSTRIES, INC.: Applies to all Ballasts, Part Number 05241-1 |
Unsafe Condition
Fire caused by shorted and sparking ballast.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a fuse assembly for each affected ballast in accordance with Bruce Industries, Inc. Alert Service Bulletin A05241-33-20-01 within 30 days after the effective date. An alternate means of compliance or adjustment may be approved by the Manager, Los Angeles Aircraft Certification Office. Special flight permits may be issued under FAR 21.197 and 21.199.
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Compliance Time
Within 30 days after the effective date of this airworthiness directive (AD)
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Affected Aircraft
Bruce Industries, Inc. Ballasts, Part Number 05241-1 installed on aircraft modified under STC Numbers SA1081NW, SA1315NM, SA1952NM, SA3144NM, SA4042WE, or Civil Aviation Authority Airworthiness Approval Note No. 17027, Issue 2.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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