AD 47-10-03

final rule
Data completeness: 60%

LOCKHEED Model 49

AD Number
47-10-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Lockheed Aircraft Corporation 49-46 LOCKHEED Model 49

Unsafe Condition

The use of switches and relays in the rudder and elevator auxiliary boost motor circuits may result in unintended circuit interruption, compromising flight control systems.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Install non-trip-free circuit breakers in the rudder and elevator auxiliary boost motor circuits and revise the wiring as necessary.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

prior to March 1, 1947

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Lockheed Aircraft Corporation Model 49, serial numbers 2021 to 2079, inclusive.

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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