As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERMITTENT FLASHES OF OIL PRESSURE CAUTION, N2 CAUTION AND N1 WARNINGS ON THE #2 ENG ON CLIMBOUT, NO ACTUAL EXCEEDANCE WERE OBSERVED. GROUNDED - YES. REPLACED # 2 ENG EEC PER B737-900 AMM 73-21-60-400-801. C/W EEC OPS CHECK PER AMM 71-00-00-800-811 VERIFIED SOFTWARE CONFIGURATION OK FOR CONT SERVICE.