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64-10-05: Exhaust Valve

FAA order 64-10-05 is an airworthiness directive. The FAA's subject line: Exhaust Valve. System: engine.

What it applies to as the FAA lists it

Kind of product
Engine
Makes
Pratt & Whitney Division
Models
Military R-2800 Series

Dates and paperwork

Docket
Unknown
Status
Current
The FAA's document
Read the order on the FAA's site

The order itself the regulatory text, as published

Show the full text (485 characters)
64-10-05 PRATT & WHITNEY: Amdt. 724 Part 507 Federal Register May 5, 1964. Applies to All Models R-2800-21, -27, -31, -43, -51, -51M4, -59, -63, -71, -75, -75M2 and -79 Series Engines. Compliance required within 1,400 hours' time in service after the effective date of this AD. Because of instances of exhaust valve failures, replace the P/N 44764 exhaust valves with P/N's 50724 or 158175 exhaust valves. This directive effective June 5, 1964. Revised September 5, 1964.

Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 6, 2026. Connections as data: /graph/directive/64-10-05.json · aircraft systems.