As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OIL QTY IND READING ZERO AND NO L OIL PRESSURE LIGHT ILLUMINATED.(<P>FOUND A CANON PLUG ON THE LEFT ENGINE LOOSE. TIGHTENED THE CONNECTOR IAW SWPM 20-63-00, OPS TEST GOOD. OIL QTY AND PRESSURE INDICATION WERE NORMAL. CANON PLUG TIGHTENED WAS D4208P. IAW AMM 79-32-00 AND 79-33-00.</P>)