47-33-04: Fuel Leakage

FAA order 47-33-04 is an airworthiness directive. The FAA's subject line: Fuel Leakage. System: other and general.

What it applies to as the FAA lists it

Kind of product: Aircraft
Makes: Textron Aviation Inc.
Models: C18S

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 (457 characters)

47-33-04 BEECH:  (Was Service Note 2 of AD-757-2.)  Applies to C18S Aircraft. 

	Compliance required prior to October 15, 1947, and each 100 hours of operation thereafter. 

	Inspect gaskets between fuel tank liquidometer units and tanks for fuel leakage.  If leakage is evident, replace gasket with Armstrong No. 710 gasket, Beech P/N 189631, without use of sealing compound.  (Installation of 189631 gasket eliminates necessity for continued inspections.)

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/47-33-04.json · aircraft systems.