gfa ad 427 Cancelled 07.02.2017.pdf
EXTENSION OF SERVICE LIFE TO 12000 HOURS
CANCELLED - Refer Type Certificate Holders current data
The results of overseas fatigue testing has demonstrated that the service life of the Discus series of gliders may be extended to 12000 hours subject to periodic Life Extension Inspections. Schempp- Hirth Technical Note No. 360-11 forms part of this AD.