What was found
(CAN) DURING COMPANY STRUCTURAL INSPECTION AND REPAIR PROGRAM (SIRP), FABRIC WAS REMOVED FROM THE WINGS. ON INSPECTION OF THE WIRES, IT WAS DISCOVERED THAT THE POWER WIRES FOR THE NAV AND STROBE LIGHTS WERE INCORRECTLY ROUTED ALLOWING THE WIRES TO RUB ON A RIB. FURTHER INSPECTION FOUND THAT THESE WIRES WERE NOT SUPPORTED OVER A COMPRESSION STRUT ALLOWING THE WIRE TO RUB IN THIS AREA. ON INSPECTION OF THE WIRE ROUTING DOWN THE LEADING EDGE NOW INCLUDING THE STALL WARNING WIRES, 2 GROMMETS ON THE NOSE RIBS WERE FOUND DETERIORATED AND SPLIT ALLOWING WIRES TO RUB ON THE NOSE RIBS. 2 OTHER GROMMETS WERE FOUND PARTIALLY SPLIT AND DETERIORATING.