As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"MAINT" LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. FOUND BLEED FAMV L FAULT ON SYS STATUS PAGE. ATTEMPTED TO MEL FAMV L, NO ACTUATOR SAFETY LOCK FOR THRUST REVERSERS IN ANC. AWAITING TOOLING. PERFORMED B737-9 FIM 36-12-00 AND PNEUMATIC ENGINE ON SYS TEST REF B737-9 AMM 36-00-00 BLEED FAMV L FAULT CLEARED.