What was found
AT GATE ENG SHUTDOWN APU OPERATING ELECT & AIR, APU OVERSPEED LITE ILUM, APU SHUTDOWN. GROUNDED - YES. CK'D SPEED SENSOR YAAT007. CONNECTOR P12 IN GOOD CONDITION. SENSOR RES AT PIN 1+2 WAS 16 OHMS AND 3+4 WAS 26 OHMS. REMOVED AND REPLACED SPEED SENSOR YAAT007 PER AMM 49-61-21-000-801/49-61-21-400-801 OP'S CK'S, LEAK CK'S GOOD. PERFORMED SMALL REPAIR TO WIRING OUTER JACKET NEAR CONNECTOR P12 PER SWPM 20-10-13.