Federal Register Proposed Rules, Rules and Notices for July 25,2013

July 25,2013


Airworthiness Directives; Turbomeca S.A. Turboshaft Engines [FR DOC# 2013-
17864] SUMMARY: We propose to adopt a new airworthiness directive (AD) for
all Turbomeca S.A. Arrius 2B1, 2B1A, 2B2, and 2K1 turboshaft engines. This
proposed AD was prompted by in-flight shutdowns caused by interrupted fuel
supply at the hydro-mechanical metering unit (HMU). This proposed AD would
require initial and repetitive inspections of the HMU high pressure pump
drive gear shaft splines, cleaning and inspections of the sleeve assembly
splines, and replacement of the HMU if it fails inspection. We are proposing
this AD to prevent in-flight shutdown and damage to the engine.

Airworthiness Directives; General Electric Company Turbofan Engines [FR DOC#
2013-17884] SUMMARY: We propose to adopt a new airworthiness directive (AD)
for certain General Electric Company (GE) GE90-110B1 and -115B turbofan
engines. This proposed AD was prompted by multiple events of a leaking
variable bypass valve (VBV) actuator fuel supply tube. This proposed AD
would require replacement of this VBV actuator fuel supply tube with a part
eligible for installation. We are proposing this AD to prevent failure of
the affected fuel supply tube, fuel leakage, engine fire, and damage to the


Pilot Certification and Qualification Requirements for Air Carrier
Operations; Correction [FR DOC# 2013-17811] SUMMARY: The FAA is correcting a
final rule published on July 15, 2013 (78 FR 42324). In that rule, which
became effective on July 15, 2013, the date of publication, the FAA amended
its regulations to create new certification and qualification requirements
for pilots in air carrier operations. This document corrects errors in the
regulatory text of that document.

Airworthiness Directives; Bombardier, Inc. Airplanes [FR DOC# 2013-17294]
SUMMARY: We are adopting a new airworthiness directive (AD) for all
Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440), CL- 600
-2C10 (Regional Jet Series 700, 701, & 702), CL-600-2D15 (Regional Jet
Series 705), and CL-600-2D24 (Regional Jet Series 900) airplanes. This AD
requires revising the airplane flight manual (AFM) by incorporating an
emergency procedure for uncommanded yaw motion. This AD was prompted by
reports of airplanes experiencing uncommanded rudder movements while in
flight. We are issuing this AD to advise the flightcrew of procedures to
address a possible failure of the voltage regulator inside the yaw damper
actuator that could lead to uncommanded yaw movement and consequent loss of
the ability to control the airplane.

IFR Altitudes; Miscellaneous Amendments [FR DOC# 2013-17841] SUMMARY: This
amendment adopts miscellaneous amendments to the required IFR (instrument
flight rules) altitudes and changeover points for certain Federal airways,
jet routes, or direct routes for which a minimum or maximum en route
authorized IFR altitude is prescribed. This regulatory action is needed
because of changes occurring in the National Airspace System. These changes
are designed to provide for the safe and efficient use of the navigable
airspace under instrument conditions in the affected areas.

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