What was found
ETOPS SIGNIFICANT SYSTEM: NR 1 ENGINE CSD DURING CRUISE INDICATES 80C IN AND 10C RISE. PERFORMED INSPECTION/CHECK ON NR 1 ENGINE CSD FOUND OIL FILTER POP-OUT INDICATOR POPPED OUT. REMOVED AND REPLACED CSD OIL FILTER IAW B737-400 AMM 24-11-41 INSPECTED MAGNETIC CHIP DETECTOR ON CSD FOUND NO TRACES OF METAL PARTICLES IAW B737-400 AMM 24-11-11. FOUND CHIP DETECTOR CRACKED TOO. PENDING LEAK CHECK. PERFORMED LEAK CHECK ON OIL FILTER AND MAGNETIC CHIP DETECTOR IAW AMM 24-11-41. LEAK CHECK OK. PENDING CSD OPERATIONAL CHECK. OPS CHECK OK IAW AMM 24-11-41 & 71-00-00.