1 PROPOSED RULES: Cessna Aircraft Company Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Cessna Aircraft Company Models 172R and 172S airplanes. This proposed AD was prompted by reports of chafing of a new configuration of the fuel return line assembly, which was caused by the fuel return line assembly rubbing against the right steering tube assembly during rudder
2 PROPOSED RULES: Robinson Helicopter Company Helicopters
We propose to adopt a new airworthiness directive (AD) for Robinson Helicopter Company (Robinson) Model R44 and R44 II helicopters equipped with emergency floats, which would require replacing the inflation valve assembly. The proposed AD is prompted by failure of the emergency floats to deploy during a factory test because a needle was binding
3 PROPOSED RULES: The Boeing Company Airplanes
We propose to adopt a new airworthiness directive (AD) for certain The. This proposed AD was prompted by a report that during a test of the oxygen system, an operator found that the passenger oxygen masks did not properly flow oxygen, and that a loud noise occurred in the overhead area, which was caused by the flex line separating from the hard
4 PROPOSED RULES: Eurocopter France Helicopters
We propose to adopt a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model AS332C, L, and L1 helicopters to require a onetime inspection of the main rotor head (MRH) swashplate upper bearing (bearing) for a nonsmooth point (friction point). This proposed AD is prompted by a report of the premature deterioration of the MRH
5 PROPOSED RULES: Airplanes
We propose to supersede an existing airworthiness directive (AD) that applies to certain Bombardier, Inc. Model CL6002B19 (Regional Jet Series 100 & 440) airplanes. The existing AD currently requires a onetime inspection of the shafts of the main landing gear (MLG) sidebrace fittings to detect corrosion, and the forward and aft bushings in the
6 PROPOSED RULES: Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc. Model DHC8 airplanes. This proposed AD was prompted by reports that various pushrods had been manufactured with tubes having the incorrect heat treatment. This proposed AD would require replacing the affected pushrod assembly. We are proposing this AD to prevent
7 PROPOSED RULES: Dassault Aviation Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Dassault Aviation Model FALCON 7X airplanes. This proposed AD was prompted by a report that a passenger oxygen pipe at frame 10 was chafing against the forward lavatory rear structure, raising the risk of the oxygen pipe developing a crack. This proposed AD would require modifying
8 RULES: The Boeing Company Airplanes
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 767200, 300, and 300F series airplanes. This AD was prompted by reports of loss of avionics cooling due to an unserviceable relay installed on a panel as part of the cabin air conditioning and temperature control system (CACTCS). This AD requires doing certain
9 PROPOSED RULES: Airbus Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Airbus Model A310204, 222, 304, 322, and 324 airplanes. This proposed AD was prompted by the manufacturer reclassifying slat extension eccentric bolts as principle structural elements (PSE) with replacement due at or before newly calculated fatigue life limits. This proposed AD
10 PROPOSED RULES: Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc. Model DHC8400 series airplanes. This proposed AD was prompted by reports of engine fire/overheat detector assemblies advance pneumatic detectors (APDs) failing to reset after activation due to permanent deformation of the detector switch diaphragm after being
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