AD 67-12-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-28-140 | Airworthiness Directives; Piper Models PA-28 and PA-32 Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28-150 | Airworthiness Directives; Piper Models PA-28 and PA-32 Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28-160 | Airworthiness Directives; Piper Models PA-28 and PA-32 Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28-180 | Airworthiness Directives; Piper Models PA-28 and PA-32 Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-28-235 | Airworthiness Directives; Piper Models PA-28 and PA-32 Series Airplanes |
| aircraft | Piper Aircraft Inc. | PA-32-260 | Airworthiness Directives; Piper Models PA-28 and PA-32 Series Airplanes |
Unsafe Condition
Internal corrosion resulting from inadequate corrosion protection of certain open end steel tube assemblies, including aileron balance weights, rudder horn assemblies, and stabilator balance weights.
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Required Actions
Conduct a close visual inspection of the interior of the open end tubes for protective coating and corrosion per Piper Service Bulletin No. 240 or approved method. Remove corrosion, replace corroded parts if necessary, and apply zinc chromate primer if corrosion is present.
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Compliance Time
Prior to but not later than July 31, 1967 (Group I), July 31, 1968 (Group II), or July 31, 1969 (Group III), extendable up to 30 days by FAA inspector to coincide with annual inspection.
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Affected Aircraft
Piper Models PA-28-140, PA-28-150, PA-28-160, PA-28-180, PA-28-235, and PA-32-260 with specified serial ranges as outlined in Groups I, II, and III.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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