What was found
SUPERNUMERARY SEAT O2 MASK INOP.(<P>TRANSFERRED TO MDDR 128370 IAW MEL 35-11-03-02A, CAT 'C'</P><P>16MAY20, CVG, LP 1141045, ITEM M4: REMOVED AND REPLACED O2 MASK ASSY PER AMM 35-11-04. THIS CLEARS DMI #128370. MCC NOTIFIED, PLACARDS REMOVED.</P>)