As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE WIRE HARNESS MW0311 IS CHAFED THRU INTERIOR LOOM NEAR 12 O'CLOCK POSITION. ACFT GROUNDED. REPLACED THE WIRE HARNESS IAW MM 73-21-06-000-802-F00, AND 400-802-F00. OPS CHECKED IAW MM 73-21-06-400-802-F00. TWO CIRCUIT BREAKERS OPENED AND CLOSED. STILL NEEDS BLEED AIR REGULATOR OP TEST. IAW L/P 11812036 FOR ALT DEACTIVATION. IAW L/P 11812037 FOR LK TEST OF GROUND WING TAIL BLEED AIR PORTS. BLEED AIR REGULATOR OPS TEST NORMAL IAW MM 73-21-06-400-802.