AD: Turbomeca | Aero-News Network
Aero-News Network
RSS icon RSS feed
podcast icon MP3 podcast
Subscribe Aero-News e-mail Newsletter Subscribe

** Airborne 04.16.14--CLICK HERE! ** HD iPad-Friendly Version--Airborne 04.16.14 **
** Airborne 04.14.14--CLICK HERE! ** HD iPad-Friendly Version--Airborne 04.14.14 **
** Airborne 04.11.14--CLICK HERE! ** HD iPad-Friendly Version--Airborne 04.11.14 **

Wed, May 16, 2007

AD: Turbomeca

AD NUMBER: 2007-10-06
MANUFACTURER: Turbomeca
SUBJECT: Airworthiness Directive 2007-10-06
SUMMARY:
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as: Two cases of flameout have been reported on Arriel 2B1 engines: One when lowering collective pitch on ground at landing and one when switching from Flight Position to idle Position on ground. Both flameout events are explained as follows: In caseof stepper motor loss of steps to a value below the 'level 1 failure' detection threshold, the fuel flow of the anti-flameout limit can be reduced. The reduction can be sufficient to cause engineflameout when decreasing rapidly the demand for power (it can therefore also happen in-flight). This condition may lead to an uncommanded in-flight shutdown. On a single-engine helicopter, the result may be emergency autorotation landing or, at worst, an accident. To prevent this, software version 5.02 (TU 144C) increases the anti-flameout limit in the event of small steppermotor loss of steps (below the 'level 1 failure' detection threshold). This AD requires actions that are intended to address the unsafe condition described in the MCAI.

FMI: www.faa.gov/regulations_policies/airworthiness_directives/

Advertisement

More News

Aero-TV: Dual GPS Solutions -- Maps, Weather, And Traffic To Your EFB Devices

Dual Boasts GPS Support for iOS or Android Platforms While at the AOPA 2013 convention, ANN CEO and Editor-In-Chief, Jim Campbell met with Greg Lukins, Vice President of Business D>[...]

AD: Airbus Airplanes

AD NUMBER: 2014-08-02 PRODUCT: Certain Airbus Model A300 B4-600 and A300 B4-600R series airplanes.>[...]

AD: Bombardier, Inc. Airplanes

AD NUMBER: 2014-08-03 PRODUCT: Certain Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes, Model CL-600-2D15 (Regional Jet Series 705) airplanes>[...]

ANN's Daily Aero-Linx (04.18.14)

All About Military Aviation Features well-illustrated articles on all major post-war combat aircraft, a directory of the world's air forces, air show reports and calendar and speci>[...]

ANN's Daily Aero-Term (04.18.14): Onboard Lightning Detection Systems

An onboard weather detection system that senses electrical discharges that suggest the presence of thunderstorm cells.>[...]

blog comments powered by Disqus



Advertisement

Advertisement

Podcasts

Advertisement

© 2007 - 2014 Web Development & Design by Pauli Systems, LC