What was found
LOG 196278/2 - ON APPROACH, FLAPS FAIL CAUTION MSG. FLAPS STUCK AT ZERO DEGREES. C/W QRH, AIR DIVERSION. LANDED OK, NORMAL BRAKING. REMOVED AND REPLACED FLAP ACTUATORS. LH1 PN 852D100-21, SN 4867 (10,780 FH), LH2 PN 852D10021, SN 6782 (3,250 FH), LH3 PN 601R93103-19, SN 3982 (3250 FH), RH2 PN 852D10019, SN 4418 (10530 FH), RH3 PN 853D100-20, SN 2429 (12,559 FH), RH4 PN 854D11-20, SN 3805 (3250 FH).