As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"MAINT" CAUTION LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. FAULT CODES 21-65151 DISPLAYED. ACCOMPLISHED B737-9 IFIM TASK 21-61-00-810-841. SYSTEM TEST AIR COND BITE TEST PASSED INTERMITTENT FAULT OK FOR SERVICE MAINT LIGHT EXTINGUISHED. TEST PASSED INTERMITTENT FAULT OK FOR SERVICE MAINT LIGHT EXTINGUISHED.