What was found
RIGHT PACK LIGHT ILLUMINATED AFTER START ON RECALL, AND EXTINGUISHES WHEN RECALL IS PUSHED. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 21-53 TASK 821, INITIAL BITE ON R PFTC FAULTED TCV, FAULT NOT ACTIVE AFTER RESET R PFTC, RAN BOTH PACKS TO FULL COOL & FULL WARM FOR SEVERAL MINUTES, RECALL TEST NORMAL NO FAULTS PRESENT REF B737-900 AMM 21-00-00.