As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY CHECK WAS REPORTED FUEL TUBING CLAMP DETERIATION AT PANEL 631AB. MX REMOVED AND REPLACED FUEL TUBE P/N 170-06119-401 IAW AMM 20-10-13, INSTALLED ADEL BONDING CLAMPS IAW AMM 20-10-01. PERFORMED BONDING TEST IAW AMM 20-13-21, REFUEL/DEFUEL OPS CHECK TO BE PERFORMED ON NRWC VP-036176-2013/648. REF NRCC VP-036176-2013/517 FOR WORK ACCOMPLISHED PN.