As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AMBER "MAINT" LIGHT ILLUMINATED. GROUNDED - YES. FOUND FAULT MESSAGE 36-12012. #2 ENGINE FAMV IS NOT IN COMMANDED POSITION. ACCOMPLISHED TASK B737-9 IFIM 36-12-00-810-802. RAN #1 AND #2 ENGINES TO ACCOMPLISH PNEUMATIC ENGINE ON - SYSTEM TEST REF B737-9 AMM 36-00-00-730-801, AND ONBOARD MAINTENANCE FUNCTION GROUND TEST. REF AMM 46-13-02-710-801. TEST "PASSED". #2 ENGINE FAMV SHOWS NORMAL OPERATION. "MAINT" LIGHT IS OUT, NOT ILLUMINATED.