As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ZONE/TEMP CONTROLLER BITE TEST FAILS FLIGHT DECK TRIM VALVE GROUNDED YES. R&R FLIGHT DECK TRIM VALVE. BITE CHECK OK. REF MM 21 61 21/401. REQUIRES LEAK CHECK. 3922 INSTALLED PART NR VERIFIED BY SEAMC PAT. BATCH NR 867780. LEAK CHECK GOOD.