As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING RECALL FWD CAB ZONE TEMP LIGHT ILLUMINATED. DURING M/C REST ALL LIGHTS EXTINGUISH. GROUNDED - YES. VERIFIED FWD CAB ZONE TEMP ILLUMINATES ON RECALL. PERFORMED PACK/ZONE TEMP CONT BITE TEST IAW B737-900 AMM 21-51-00-700-803. CONTROLLER FAULT - STANDBY PACK ILLUMINATED ON BIT, BUT DID NOT ILLUMINATE ON PREV FLT, AND THEN CLEARED ON VERFIY. RAN BITE TEST AGAIN, ALL GREEN GO LIGHTS. ZONE TEMP LIGHT NO LONGER SHOWS ON RECALL. OPS CHECKS GOOD.