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Advises of loose lower tube of control rod grapple.Caused by improperly torqued cap screws & unstaked nuts.Nuts staked, holes drilled,bolts inserted & properly torqued.Problem appears nongeneric.

Accession Number: ML19326B348

Date Released: Saturday, November 7, 2020

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• ML19326B347 - Advises of loose lower tube of control rod grapple.Caused by improperly torqued cap screws & unstaked nuts.Nuts staked, holes drilled,bolts inserted & properly torqued.Problem appears nongeneric. (1 page(s), 8/28/1973)
• ML19326B350 - Ack receipt of util 730615 & 0716 interim & final deficiency repts re deformed metal over cap screws in main fuel handling bridge. (1 page(s), 7/30/1973)
• ML19326B352 - Action control form requests review of util 730615 & 0716 deficiency repts re deformed metal over cap screws on main fuel handling bridge. (1 page(s), 7/27/1973)
• ML19326B354 - Final deficiency rept re deformed metal over cap screws on main fuel handling bridge.Caused by improper assembly.Vendor personnel will inspect damage & probably drill & tap new holes & tack weld bolts. (3 page(s), 7/16/1973)
• ML19326B356 - Interim deficiency rept re deformed metal over cap screws on main fuel handling bridge.Evaluation continues & final rept will be submitted by 730718. (1 page(s), 6/15/1973)
• ML19326B358 - Action control form requests review of generic aspects of failure in fuel handling equipment.Util will submit deficiency rept by 730617. (1 page(s), 5/24/1973)