As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ZONE TEMP ON CAB ILLUMINATES ON RECALL. GROUNDED-YES. VERIFIED LIGHT ON RECALL. PERFORMED B737-900 FIM 21-62 TASK 801. NO FAULTS ON PZTC 1. PZTC 2 FAULTED FLIGHT DECK TRIM VALVE ON BIT AND PREV FLIGHT, FAULT RESET ON VERIFY. PERFORMED TEST AGAIN, RIGHT PACK TCV FAULTED ON VERIFY. PERFORMED FIM 21-62 TASK 831 TO RESET STUCK TCV. PERFORMED 2 ADDITIONAL BITE TESTS WITH NO FAULTS.