What was found
RT ENGINE LOW OIL PRESSURE INDICATION INOP (LOW ENG OIL PRESS INDICATION SYSTEM (-200/-300), ALL EXCEPT JT9D WITHOUT SB767-78-8 INSTALLED, AND CF6-80A/A2 WITHOUT SB767-78-8 INSTALLED)(<P>TRANSFERRED TO MDDR 155755 IAW MEL 79-33-01-01, CAT C, DUE DME 05NOV21. PLACARD INSTALLED.</P> / <P>27OCT-CVG MX: LP 1372103, ITEM M5: REMOVED AND REPLACED LOW OIL PRESSURE IAW AMM 79-33-01. OPS CK GOOD IAW AMM 79-33-00. LEAK CK GOOD. MDDR # 155755 CLOSED. PLACARD REMOVED. MCC NOTIFIED.</P>)