As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LEFT OUTBOARD GROUND SPOILER FAILED TO DEPLOY ON LANDING. REPACED R/H RESTRICTOR VALVE P/N ZRV 87-3, S/N 90213160 AND CHECK VALVE P/N ZCV 157-1, S/N 80356276. AIRCRAFT RETURNED TO SERVICE AND GROUND SPOILER SYSTEM CHECKED SERVICEABLE. ALL PARTS SENT TO VENDOR FOR TEAR DOWN REPORT AND EVALUATION.