AD 2016-05-13
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell | Various | Airworthiness Directives; Pratt & Whitney Canada Corp. Turboprop Engines |
| engine | Pratt & Whitney | Canada Corp | Airworthiness Directives; Pratt & Whitney Canada Corp. Turboprop Engines |
Unsafe Condition
incidents of corrosion and perforation of the two-ply Cu-Be bellows in Woodward fuel control units (FCUs)
Required Actions
replace the Woodward FCU with a new one, using service information from Pratt & Whitney Canada Corp.
Compliance Time
within 500 flight hours or one year after the effective date of this AD, whichever occurs first
Affected Aircraft
Pratt & Whitney Canada Corp. (P&WC) PT6A-60AG, -65AG, -67AF, and -67AG turboprop engines with Woodward fuel control units (FCUs), installed
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.