AD 49-49-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Model 49 Series Aircraft |
Unsafe Condition
Failure of the Eclipse-Pioneer Model PB-10 automatic pilot could result in uncommanded control surface movements due to improper signal routing and insufficient servo forces safeguarding.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the master direction indicator and wiring to reroute rudder channel signals to the aileron channel; install resistors in series with the variable phase of aileron, rudder, and elevator servo motors; install aileron servo disconnect interlock switch and rewire its connection from the rudder servo disconnect interlock switch.
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Compliance Time
prior to reconnection in the aircraft
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Affected Aircraft
Lockheed Aircraft Corporation Model 49 Series aircraft equipped with Eclipse-Pioneer Model PB-10 automatic pilots
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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