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Landing Gear Stuck Up
In 1998, we had a bird being ferried commercially. Pilot could not get gear to lower. CB popped repeatedly. Wouldn't pump. Landed gear up. Stuck shuttle. Two replacements failed in retraction/lowering tests, but broke free when Pwr Pak was rapped sharply. I had one do the same after 1450 nm St. Johns to Santa Maria, Azores. Handle down, breaker popped. Handle up, CB left out, wouldn't pump. Rapped Prw Pak with Leatherman, tried again--ok. Recently another crew had same occurrence. Rapping didn't shake the shuttle loose. Mech on ground radio'd to remove lower shroud; cut safety wire to right hand (gear UP/DOWN solenoid); loosen solenoid from hyd assy one turn. It worked. (Crew didn't have pliers large enough to grip solenoid body, so used the end of the control lock as a drift and pounded it with Leatherman against the screws on top of the solenoid body and got it to turn. Comments from the field?
John Piowaty
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Threaded Mode