53-19-01: Generator Cooling Fan
FAA order 53-19-01 is an airworthiness directive. The FAA's subject line: Generator Cooling Fan. System: electrical power.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- The Boeing Company
- Models
- C54-DC, DC-4
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 (550 characters)
53-19-01 DOUGLAS: Applies to All DC-4 and C54-DC Series Aircraft Utilizing Eclipse-Pioneer Type 901 Generators. \n\n\tTo be accomplished by the next engine overhaul, but not later than April 1, 1954. \n\n\tIn view of the fire hazard existing in the use of the magnesium cooling fan in the Eclipse Type 901 generator in the DC-4 and C-54 Series aircraft installations, the magnesium fan as a unit must be removed and Eclipse-Pioneer spacer P/N 866570 installed in its place. \n\n\t(Eclipse-Pioneer Service Bulletin No. 505 covers the above 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/53-19-01.json · aircraft systems.