This from Gliderpilot.net

Except from DHs post

"Unfortunately confirmed today by BGA that all Discii
with Czech built wings are grounded in UK with immediate
effect pending inspection (method to be determined).

This follows grounding order by Czech Republic CAA
on 4th September. LBA expected to follow suit very
shortly. Nothing yet on S-H site.
Covers Discus CS, certain Discus b's and bT's and may
affect any Discus that have had replacement wings.

The relevant extract from the airworthiness directive
is as follows:

The following aircraft are directly effected:
Discus CS: Serial numbers 1CS through 308CS.
Discus b: Serial numbers 551 through 554, 568, 569,
571 through 573, 575 and 577.
Discus bT: Serial numbers 77, 106, 146, 151 through
154, 156, 158, 161 and 162.

Other Schempp-Hirth aircraft that may be effected:
Discus, Discus a, Discus b and Discus bT that have
had replacement wings fitted."

Paul