- Model
- Military Cyclone R-1820 Series
- Data sheet
- TCDSTC 5E-10
- Product
- Engine
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 18 KB | c04456a2…92cddb4 | FAA DRS (API key needed) |
On this page
The airworthiness directive
60-07-08 WRIGHT: Amdt. 121 Part 507 Federal Register March 29, 1960. Applies to All R-1820-103 Engines Installed In Helicopters.
Compliance required at first engine overhaul after June 1, 1960, but not later than December 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.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.