As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ZONE TEMP CONT CAB COMES ON WITH RECALL AND GOES OUT WITH MASTER CAUTION RESET. GROUNDED - YES. (RESOLVED ON W/O: 1882337 TASKCARD: N/R-00003 ) VERIFIED DISCREP. . PERFORMED B737-900 FIM 21-62 ASK 801, #2 CNTLR SHOWS FLT DECK TRIM VALVE FAULT. PER FORMED FIM 21-62 TASK 832, CYCLED 2 EA C/B'S AND PER FORMED INITIAL EVALUATION, OPS CHK GOOD. NO HISTORY LAST 60 DAYS. THIS CLEARS MEL 21-21G, PLC C/N 25026481 RMVD.