| |
 Federal Register Information
 Header Information
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
AD 47-41-02
Airworthiness Directives; Bell Model 47B and 47B3 Helicopters
PDF Copy (If Available):
Preamble Information
AGENCY: Federal Aviation Administration, DOT
Regulatory Information
47-41-02 BELL: (Was Mandatory Note 14 of AD-1H-2.) Applies to Models 47B and 47B3 Helicopters.
Compliance required prior to next flight after receipts of parts from Bell Aircraft Corp., but, in any event, not later than January 1, 1948.
To prevent excessive vibration and subsequent failure of the main oil line from the oil cooler to the oil filter, two additional supports must be installed for this oil line, one each at the bends near the oil filter and oil cooler.
(Bell Service Bulletin 47C28 (revised), dated July 1, 1947, covers this same subject.)
Footer Information
Comments
|