This page describes the failure of the HE channels of a single GCFE. There are 3072 GCFEs in CAL, two for each of the 1536 xtals.
Symptoms of the failure
The problem occurred in the run starting at MET = 301753824, which is MJD 55402.52108796, or 2010 Jul 25 at 12\:30\:22 UTC, or 2010 day 206 at 12\:30\:22 UTC.
On 27 Jul 2010 (Day 208), at 1:55 PM EDT, Anders Borgland wrote:
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