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

Airborne Unlimited -- Recent Daily Episodes

Episode Date

Monday

Tuesday

Wednesday

Thursday

Friday

Airborne On ANN

Airborne 03.23.15

Airborne 03.24.15

Airborne 03.25.15

Airborne 03.26.15

Airborne 03.20.15

Airborne Hi-Def On YouTube

Airborne 03.23.15

Airborne 03.24.15

Airborne 03.25.15

Airborne 03.26.15

Airborne 03.20.15

Thu, Oct 27, 2005

AD: Sikorsky

AD NUMBER: 2005-22-01
MANUFACTURER:
Sikorsky
SUBJECT: Airworthiness Directive 2005-22-01
SUMMARY: This amendment adopts a new airworthiness directive (AD) for the Sikorsky Aircraft Corporation (Sikorsky) Model S-76A, B, and C helicopters. This action requires certain inspections of the main rotor lower bifilar arm assembly in the attachment area around the lower bifilar lugs for a crack.

If a crack is found on any bifilar lug, this AD requires replacing the bifilar arm assembly with an airworthy bifilar arm assembly. If no crack is found, this AD requires a one-time test for the required torque on the lug nuts and, if necessary, applying the required torque and conducting the torque stabilization tests. This amendment is prompted by four reports of cracked bifilars. The actions specified in this AD are intended to prevent failure of a bifilar lug, damage to the main rotor control system, and subsequent loss of control of the helicopter.

FMI: www.avantext.com/DailyADIndex.ASP?AD=20052201

Advertisement

More News

Airborne 03.25.15: HR476 Opposed, AEA2015 LIVE Schedule, Airbus' 9000th A/C

Also: Nanchang CJ-6A, USAF T-X Program, UK AAIB Withholds Info, Aussie Aero-Politics, GPS Errors Found, ATC Reform House Bill HR 476 will eliminate G.I. training benefits for those>[...]

ANN's Daily Aero-Linx (03.26.15)

Addison Pemberton's Boeing Model 40 The first Model 40 was built for a 1925 U.S. Post Office competition as a replacement for the converted military de Havillands that had carried >[...]

ANN's Daily Aero-Term (03.26.15): Few Clouds

An official sky cover classification for aviation weather observations, descriptive of a sky cover of 1/8 to 2/8.>[...]

Aero-News: Quote Of The Day (03.26.15)

“NBAA will continue to monitor the situation and pursue all available options to ensure access to and the future viability of Santa Monica airport, which is not only an impor>[...]

ANN FAQ: View Aero-News YOUR Way... The 'Headlines Only' Option

Choose How YOU Want To View Your Aero News: 'Headlines Only' Mode We're all pretty excited about the new website design here at ANN, but we HAVE heard from some of you that you lik>[...]

blog comments powered by Disqus



Advertisement

Advertisement

Podcasts

Advertisement

© 2007 - 2015 Web Development & Design by Pauli Systems, LC