What was found
DURING ENGINE OIL SERVICE, FOUND O-RING ON NR 1 ENGINE OIL CAP LOOSE. REPLACED O-RING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ENGINE OIL SERVICE, FOUND O-RING ON NR 1 ENGINE OIL CAP LOOSE. REPLACED O-RING.