What was found
PIA - FLT 4102 - DURING A/C RETURN TO PIA, CREW DID NOT GET NOSE GEAR SAFE LIGHT UNTIL EMERGENCY GEAR EXTENSION LEVER WAS PULLED. A/C LANDED SAFELY. MX CLEANED NOSE GEAR TARGET SWITCHES, FERRIED ALL TO ORD FOR REPAIR OF NOSE GEAR INDICATION WIRING. WIRING CHAFED ON TOP OF 149D PUMP. ORD MX REPAIRED WIRES AND PERFORMED SATISFACTORY GEAR RETRACTION/EXTENTION. A/C RETURNED TO SERVICE. (M)