47-25-06: Carburetor Flexible Air Duct
FAA order 47-25-06 is an airworthiness directive. The FAA's subject line: Carburetor Flexible Air Duct. System: engine.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Swift Museum Foundation, Inc.
- Models
- GC-1A, GC-1B
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 (661 characters)
47-25-06 GLOBE: (Was Mandatory Note 10 of AD-766-5.) Applies to Models GC-1A and GC-1B Aircraft Serial Numbers 3 to 157 Inclusive, and Number 159.
Compliance required prior to August 1, 1947.
Remove the carburetor flexible air duct, P/N 11-440-3405 and metal air intake scoop, at point of attachment at rear right engine cylinder and outboard connection to the right exhaust heater shroud. Replace with flexible air duct, Globe P/N 11-440-3648, and elbow, Globe P/N 11- 440-3729. This is necessary to prevent collapsing of the air duct when the carburetor air heater is used.
(Globe Customer Service Maintenance Bulletin No. 5 covers this same subject.)
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/47-25-06.json · aircraft systems.