Thu, Jan 31, 2013
AD NUMBER: 2013-02-04
PRODUCT: All Rolls-Royce plc RB211- Trent 970-84, RB211-Trent 970B-84, RB211-Trent 972-84, RB211-Trent 972B-84, RB211-Trent 977-84, RB211-Trent 977B-84 and RB211-Trent 980-84 turbofan engines.
SUBJECT: Airworthiness Directive 2013-02-04
ACTION: Final Rule, Request for Comments
SUMMARY: This AD requires on-wing inspections of low-pressure turbine (LPT) disk seal fins and interstage seals when post-flight review indicates Engine Health Monitoring (EHM) vibratory maintenance-alert limits were exceeded in flight. The AD also requires in-shop inspections of the LPT disk seal fins and interstage seals to detect cracks or damage and, depending on the findings, accomplishment of corrective action.
This AD is prompted by a Trent 900 engine experiencing LPT stage 2 disk interstage seal material loss and increased low-pressure rotor vibration while in flight. The FAA is issuing this AD to prevent cracks in the LPT disk, which could result in uncontained engine failure and damage to the airplane.
DATES: This AD becomes effective February 14, 2013. Comments must be received by March 18, 2013.
Innovative Avionics Powerhouse Showcases Latest Developments It's been a great year for L-3 Aviation Products. In less than six months, they've finetuned some ground-breaking produ>[...]
OSH2016 Sponsor: Always-Innovative Aspen Avionics Based in Albuquerque, New Mexico, Aspen Avionics specializes in bringing the most advanced display and sensor technology from the >[...]
Also: AEA Giveaway, 44 Trips To OSH, Airbus Drones, Future Pilots, NTSB Training, Air BP, Boeing Forecast, ALPA Milestone ONE Aviation has provided ANN with the initial outline for>[...]
Get The EARLY Inside Details On THE Most Exciting NEW Innovations And Product Announcements From OSHKOSH... The staff of EAA and the Aero-News Network are pleased to announce that >[...]