As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ON AT RECALL LIGHT GOES OUT ON RESET. GROUNDED - YES. PERFORMED B737-900 FIM TASK 21-53-00-810-821. ACCOMPLISHED BITE PROCEDURE-PACK TEMP CONTROL, FOUND THIS PACK TCV FAULT LIGHT CAME ON. ACCOMPLISHED FIM 21-62 TASK 830 TO RESET SWITCH. GREEN LIGHT CAME ON DURING BITE PROCEDURE; FAULT CLEAR. RAN L/H PACK. OPS CHECK GOOD.