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This document details the findings from the Side A read-out of the chamber wire map and Hedgehog boards. Notable issues include missing wires that have slipped off from both the RO and HV sides, as well as broken wires with parts remaining in the tubes. Additionally, several channels are identified as noisy or dead, with all tubes on the HV side reported as operational on the last check date. A comprehensive analysis of the affected channels and recommendations for remedial action are included.
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SIDE A - CHAMBER WIRE MAP and HEDGEHOG BOARDS LIST ALLEGATO 2A BIL3A09 - RM027 CHAMBER ID: Side A Read Out SIDE : Hh 1630. hh 1614. hh 1622 hh 1613 hh…1615. 1 = missing wire slipped off from RO side; Z 2 = missing wire slipped off from HV side ; 3 = broken wire, parts are still in the tube, slipped off from RO side; 4 = broken wire, parts are still in the tube, slipped off from HV side; Hh 1971. hh 1954 . hh… 1939. Hh 1933 hh 1967 5 = disconnected from gas distribution; HV SIDE : Hh 4441. hh 2468 hh 4527 hh 2429Conn hh 4415 6 = NOISY channel; 7 = DEAD channel Z ALL TUBES OK 21/05/03 Hh 4575. hh 3756Conn hh 3848 hh 3836 hh 4407