AD 88-13-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; SHORT BROTHERS, PLC Model SD3-30 Series Airplanes |
Unsafe Condition
Pitot tubes may become inoperative due to icing, which could result in erroneous airspeed and altitude indication.
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Required Actions
Replace pitot tubes with code letter 'Z' adjacent to the serial number with ones having a different code letter within 180 days after the effective date, following Service Bulletin SD3-34-26, Revision 1. Alternate means of compliance or adjustments may be used with FAA approval.
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Compliance Time
Within the next 180 days after the effective date of this AD
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Affected Aircraft
SHORT BROTHERS, PLC Model SD3-30 series airplanes, serial numbers SH3002 through SH3096 inclusive
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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