As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS -ON ETOPS CK FOUND APU CHIP DETECTOR O-RING AT RT SIDE UPPER MOST POS DAMAGED. NOTED OIL LEAK ON WALKAROUND. R & R CHIP DETECTOR O-RING AT RT UPPER MOST DETECTOR. SERVICED APU OIL TO FULL. OPS & LEAK CK GOOD. SECURED APU ACCESS DOORS OK FOR SVC AMM 49-27-04.