As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR INDICATOR LIGHT- A- ON LEFT MAIN, ILLUMINATED AFTER GEAR RETRACTION. GEAR HANDLE CYCLED PER QRH WITH GEAR REMAINING UP AND SAME INDICATION. GEAR EXTENDED BY OVERRIDE CK STARTED AND GEAR EXTENDED WITH NORMAL INDICATION. RETURNED TO PDX. INSTALLED SERVICEABLE LANDING GEAR CONTROL BOX IAW MM 32-00-00 AND SWUNG GEAR NUMEROUS TIMES. OPS CHECKS GOOD. (S/N 120120) (S/N 120209)