As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ROUTINE MAINTENANCE INSPECTION , FOUND WIRING HARNESS ON NR1 ENGINE FOR THRUST REVERSER STOW SWITCH WIRING CHAFING ON EDGE OF LIGHTENING HOLE OF MOUNTING BRACKET. DAMAGED WIRING CUT OFF AND END RE-TERMINATED. MFG ILLUSTRATED PARTS CATALOG (CSP A-006) 78-37-01 FIG 1A PG 0 , ITEM 40 (BRACKET ASSY, STOW SWITCH MOUNTING). LIGHTNING HOLE ON THIS BRACKET CHAFED ON HARNESS FOR STOW SWITCH (TC NR 20070222001)