AD 59-07-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | L. B. Smith Aircraft Corporation | C-46A | CURTISS-WRIGHT Model C46 Aircraft |
| aircraft | L. B. Smith Aircraft Corporation | C-46D | CURTISS-WRIGHT Model C46 Aircraft |
| aircraft | L. B. Smith Aircraft Corporation | C-46F | CURTISS-WRIGHT Model C46 Aircraft |
Unsafe Condition
The auxiliary hydraulic pump is unsatisfactory for use in compliance with the minimum gear retraction time.
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Required Actions
Remove the auxiliary hydraulic pump and motor from the hydraulic system and replace with a hydraulic by-pass system per L.B. Smith Aircraft Corporation Report No. RX5.130.01 or equivalent. Install Airplane Flight Manual Revision dated July 11, 1958.
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Compliance Time
not later than August 1, 1959
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Affected Aircraft
L. B. Smith C46/CW20-T aircraft not having the modification incorporated.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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