P/N: 45as39504-7
Category: Engine Parts
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| Condition | Stock |
|---|---|
| As Removed | 1 Available |
The 45as39504-7 is a hydraulic down-lock release cylinder for retractable landing gear systems. This actuation component disengages the mechanical down-lock that holds the gear in the extended position, allowing controlled retraction during flight. The cylinder converts hydraulic pressure into linear motion to release the lock mechanism before gear movement begins.
Installed within the landing gear hydraulic circuit, it operates in coordination with main retraction actuators and control valves. Installation and rigging must follow aircraft maintenance manual specifications and approved technical data for your specific airframe.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
The 45as39504-7 is a hydraulic down-lock release cylinder for retractable landing gear systems. This actuation component disengages the mechanical down-lock that holds the gear in the extended position, allowing controlled retraction during flight.
Depending on condition, the 45as39504-7 may include an FAA 8130-3 Airworthiness Approval Tag, a yellow serviceable tag, or manufacturer documentation. Currently available in: As Removed. Contact us for specific documentation details on the condition you need.
Yes, the CYLINDER- DOWN LOCK RELEASE can be used in engine overhauls and maintenance events. Always verify part compatibility against your engine's Type Certificate Data Sheet (TCDS) and Illustrated Parts Catalog (IPC) before installation.
In-stock items ship same business day when ordered before 3 PM EST. We also offer 24/7 AOG (Aircraft on Ground) support at (904) 998-9101 for urgent engine part needs.