• Sent to CERN on 17 November 2005.
• Firmware 006/clock hardware fix done.
• Final QA done on 27 April 2006.
• Installed in USA15 on 27 April 2006.

• Suspect dead TX plugin, so removed from USA15:Y.24-14.A2.U28.07R to B186 on 05/08/2008 (DR)

• Tx1 replaced 26/9/2008 (was ST366, now ST030)

• Installed in USA15 on 13 November 2008.
• Tx plugins replaced on 28 July 2009:
  • Old: ST365, ST030, ST367, ST368
  • New: T5133, T5132, T5131, T5130
• Tx3 failed: T5130 replaced by T3117 on 19 July 2010
• Tx1 replaced on 17 October 2010. Old T5132, new T2200
• Tx2 replaced on 6 November 2010. Old T5131, new ST402
• Tx0 replaced on 2 March 2011. Old T5133, New T6083
• Tx3 replaced on 1 August 2011. Old T3117, New ST521
• All 4 Tx plugins replaced on 28 February 2012:
  • Old: T6083, T2200, ST402, ST251

-- JohnHill - 06-Mar-2012