As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CTR CARGO DOOR ACCESS PANEL FOR VENT DOOR MISSING ON ARRIVAL INTO PDX. OIL: NO RESTRICTION LOWER CENTER CARGO DOOR VENT DOOR MISSING. (OK PER EA 8-5230-113246), (CK AFTER EA FLT) INSPECTED SCRATCH PER SMP 51-80-01 AND DOOR ALL WITHIN LIMITS. COMPLIED WITH PART 1 EA-8-5230-113246. INSTALLED PANEL PER MM. OPS CK OK.