As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM: APU MAINT AND FAULT LIGHTS ON WHEN STARTING APU. REMOVED AND REPLACED APU STARTER GENERATER IAW B737-800 AMM 49-41-21 APU STARTING & OPERATION OK NO LEAKS NOTED AT THIS TIME IAW AMM 49-11-00. A/C GOES BACK TO ETOPS STATUS.