As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 PYLON HYDRO BAY WIRES W390-102-18 AND W 390-103-18 FOR L ENG T-R ISOLATION VALVE ARE CHAFED THROUGH SHIELDING. REPLACED WIRES W390-102-18 AND W390-103-13 FROM PLUG D20118 REF BSWPM 20-61-11 TO JACK 4474J. ASSY GROUNDS FOR SHIELD REF BSWPM 20-10-15, AND REASSEMBLE JACK REF BSWPM 20-61-11.