What was found
DURING 11-HOUR INSPECTION, OIL DRAIN VALVE CAME APART WHILE CLOSING IT AFTER OIL DRAINING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING 11-HOUR INSPECTION, OIL DRAIN VALVE CAME APART WHILE CLOSING IT AFTER OIL DRAINING.