What was found
SPOILER FAIL MSG PRESENTED. SPOILERS SHOWED OPEN INTERMITTENTLY. RAN INADVERTENT SPOILER OPEN IN FLIGHT CHECKLIST. FLIGHT ATTENDANT DID NOT OBSERVE OPEN SPOILERS. NO CHANGES IN FLIGHT CHARACTERISTICS NOTED. R & R LT INBD SPOILER PROX SWITCH IAW AMM 27-63-04, OPERATIONS CHECKED GOOD. R & R CONNECTOR P1167 IAW SWPM 20-50-01, SPOILERS SYS CHECKED GOOD IAW AMM 27-63-01. AT GATE SHORTLY AFTER POWER UP, SPOILERS RAPIDLY SWITCHED FROM OPEN TO CLOSED INDICATION. REF LOG PAGE 3879476. R & R RT INBD GND SPOILER PROX SENSOR & HARNESS CONNECTOR IAW AMM 27-63-04 & SWPM 20-50-00. OPERATIONS CHECKED GOOD. NO CMC MSG NOTED. PROXIMITY SENSOR PN 8-527-01, SN A8992 POSITION SPL 5.