As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- 2 APPROACH WARNINGS RWY 10R PDX. DIVERT TO SEA 1 APPROACH WARN RWY 16R SEA IN VFR CONDITIONS A3 INOP. REMOVED AND REPLACED HGS COMPUTER, HGS RETURN TO SERVICE ACCOMPLISHED IAW T/C R343201, SYSTEM TEST GOOD. AIRCRAFT UPGRADED TO CAT III STATUS, AIRCRAFT PLACARD CHANGED TO CATII STATUS. AIRCRAFT RETURNED TO SERVICE.