AD 67-31-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Maryland Air Industries, Inc. | FH-227 | Airworthiness Directives; Fairchild-Hiller Model FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | FH-227B | Airworthiness Directives; Fairchild-Hiller Model FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | FH-227C | Airworthiness Directives; Fairchild-Hiller Model FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | FH-227D | Airworthiness Directives; Fairchild-Hiller Model FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | FH-227E | Airworthiness Directives; Fairchild-Hiller Model FH-227 Aircraft |
Unsafe Condition
Elongated holes in the clevis holes of the aluminum blocks behind the elevator trim tab hinges and damaged elevator trim tab hinge bearings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the three elevator trim tab hinges for elongated holes in the clevis holes of the aluminum blocks and inspect each elevator trim tab hinge bearing for damage. Replace blocks with elongated holes and damaged bearings with unused parts of the same part number. Remove and replace trim tab clevis hinges with damaged blocks or bearings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next five hours' time in service unless already accomplished.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Maryland Air Industries, Inc. FH-227, FH-227B, FH-227C, FH-227D, FH-227E aircraft.
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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