As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PUSHING RECALL BUTTON CAUSES RIGHT PACK LIGHT TO COME ON. LIGHT GOES OUT WHEN PUSHING MASTER CAUTION BUTTON. FOLLOWED QRH NO OTHER ACTION WAS REQUIRED. ON DEFERRAL. UNABLE TO DUPLICATE. ACCOMPLISHED PACK/ZONE TEMP CTL BITE TEST ON NR 1 AND NR 2 CONTROLLERS REF MM 21 61 00. NO LOGGED FAULTS.