As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - INFO TO MX: DURING CRUISE ENG #1 OIL PRESSURE STAYED VARIABLE BETWEEN 58-80 PSI WHILE ENG #2 HELD EXACTLY 72-76 PSI. // ACCOMPLISHED TSM 79-31-00-810-848 A. REMOVED AND REPLACED ENG 1 OIL PRESS TRANSMITTER #1 AND #2 PER AMM 79-33-11-400-803 A. ACCOMPLISHED TEST #2 FUEL/OIL LEAK TEST PER AMM 71-00-00-700-827 -A NO LEAKS NOTED. ACCOMPLISHED ENG #1 ENG PWR PER AMM 71-00-00. ENG #1 OIL PRESSURE STABLE ENG COWL SECURED. OK FOR SERVICE.