What was found
FA REPORTED WERE UNABLE TO COOL ROWS 6 - 16 INFLIGHT, UNTIL THE LAST HOUR OF FLIGHT. ACFT GROUNDED. NO HISTORY LAST 60 DAYS. PFTC FAULT HISTORY LAST LEG SHOW R: 21-51123, L: 21-51123 & 21-51117. ALL FAULTS SHOW AS INTERMITTENT, COUNT 1 & FAULT STATE. RECOVERED. IAW FIM'S 21-62 TASK 890, & 21-62 TASK 893, ACCOMPLISHED INITIAL EVALUATION IAW FIM 21-62 TASK 801. BOTH PFTC'S SHOW GROUND TEST COMPLETE PASSED. GROUND VERIFICATION SUCCESSFUL IAW FIM 21-62 TASK 890, & 21-62 TASK 893.