As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUP - AIRTURN BACK AFTER TAKE ENG R SYS FAIL. // FAULT REVIEW ENG 2 FAULT CODE 732138. BITE TEST ENG SYS POWER UP TEST PASSED. PERFORMED FIM TASK 73-21 TASK 837 UP TO D(3) IN ACCORDANCE WITH FIM TASK 73-21 TASK 837,NEED TO REPLACE RH ENG PER ENGINEERING REQUEST.REMOVED RH ENG PER E1128-717-72-003. REPLACED RH ENG PER TASK CARD E1128-717-72-003-INSTALL. OK FOR SERVICE.