AD 2004-22-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker | F27 Mark 100 | Airworthiness Directives; Fokker Model F27 Mark 100, 200, 300, 400, 500, 600, and 700 Series Airplanes |
Unsafe Condition
Cracking of the upper inboard attachment lug of the aileron spring tab balance unit, probably due to corrosion, has caused permanent deflection of the spring tab and consequent aileron damage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a one-time high-frequency eddy current inspection for cracking of the attachment lugs of the aileron spring tab balance units. If no crack is found but loose paint or corrosion was removed, rework the attachment lugs. If corrosion damage exceeds specified limits, replace the aileron spring tab balance unit or repair the lug with an approved method. If a crack is found, replace the aileron spring tab balance unit.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 24 months after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All Fokker Model F27 Mark 100, 200, 300, 400, 500, 600, and 700 series 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 6, 2026
Rights: U.S. Government Public Domain
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