AD 59-06-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Mooney Aviation Company Inc | M20 | Airworthiness Directives; Mooney Models M-20 and M-20A |
| aircraft | Mooney Aviation Company Inc | M20A | Airworthiness Directives; Mooney Models M-20 and M-20A |
Unsafe Condition
Failure of rudder hinge bearing bracket (P/N 4003) due to cracked or inadequately welded fillet welds between the outer race and channel leg.
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Required Actions
Inspect welds of hinge bearing housing (7/8 inch O.D. x 0.058 inch 4130 steel tube) attached to fixed surface hinge bearing channel (P/N 4002) within five flight hours. Remove paint and use 10-power glass to check for cracks or inadequate welds. Replace defective brackets with modified P/N 4003 brackets prior to further flight if cracks found, or by April 15, 1959, for inadequate welds. Install AN 960-3 washers or P/N 8389 shims during installation, and recover fabric patches with Butyrate dope as specified.
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Compliance Time
Within the next five flight hours for inspection; prior to further flight if cracks found; not later than April 15, 1959, for inadequate welds.
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Affected Aircraft
Mooney Models M-20 and M-20A, serial numbers 1002 through 1364.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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