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AD 52-04-02 ACTIVE

Inverter Control Protection
Key Information
AD Number 52-04-02 Status Active
Effective Date Not specified Issue Date Not specified
Docket Number Unknown Amendment N/A
Product Type ["Aircraft"] Product Subtype ["Large Airplane"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) Martin-Marietta Corporation
Model(s) 202 202A
Regulatory Text

52-04-02 MARTIN: Applies to All Models 202 and 202A Aircraft.

Compliance required not later than August 1, 1952.

Provide separate protection for each inverter control and warning light circuit. Also provide separate protection for T and B warning lights in forward area.

(Trans World Airlines Engineering Order No. 5717 covers this same subject.)