60-04-07: Master Rod Assemblies
FAA order 60-04-07 is an airworthiness directive. The FAA's subject line: Master Rod Assemblies. System: engine.
What it applies to as the FAA lists it
- Kind of product
- Engine
- Makes
- Curtiss-Wright/Marquette, Inc.
- Models
- Cyclone 977C9HD1, Cyclone 977C9HD2, Cyclone 977C9HD3
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 (496 characters)
60-04-07 WRIGHT: Amdt. 106 Part 507 Federal Register February 20, 1960. Applies to All 977C9HD1, 2 and 3 Engine Models Installed in Helicopters.
Compliance required at first engine overhaul after March 15, 1960, but not later than October 31, 1960.
To alleviate failures of the master rod assemblies, strengthened master and articulating rods with associated parts must be installed in accordance with the instructions contained in Wright Aeronautical Division Service Bulletin No. C9-353.
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/60-04-07.json · aircraft systems.