AD Amdt-39-15992
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Short Brothers Model SD3-60 Airplanes |
Unsafe Condition
There have been several occurrences of cracked elevator trim tab balance weight attachment brackets, on one occasion, the elevator trim tab mass balance weight bracket separated from the aircraft. The loss of an elevator trim tab mass balance weight bracket has the potential to cause damage to an aircraft, or cause serious injury to personnel.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 2 months after August 3, 2004, perform a dye penetrant inspection for cracking in the welded joints of the balance weight brackets for the left and right elevator trim tabs. If no cracking is found, repeat the inspection at intervals not to exceed 4,800 flight hours until the bracket is replaced. Replace any bracket that has not been replaced prior to the accumulation of 28,800 total flight hours or within 6 months after August 3, 2004, whichever occurs later. If any cracking is found, take corrective actions as specified.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 2 months after August 3, 2004, for the initial inspection. Further inspections and replacements are due at specified intervals or flight hours as outlined in the AD.
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Affected Aircraft
All Shorts Model SD3-60 airplanes, 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 4, 2026
Rights: U.S. Government Public Domain
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