As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAUTION OVERHEAD LIGHT ILLUMINATED FOR "MAINT" AFTER LANDING. GROUNDED - YES. FOUND LATCHED FAULT BLEED FAMV L. ACCOMPLISHED B737-9 IFIM 36-12020 STEP A-STEP C(2). CHANGED FAMV FILTER PER B737-9 AMM 36-12-03-100-801. ACCOMPLISHED PNEUMATIC ENG. ON SYS. TEST PER AMM 36-00-00-730-801. MAINT. LIGHT EXTINGUISHED BLEED FAMV L FAULT CLEARED. SYSTEM TEST PASSED.