What was found
DURING LANDING - MASTER CAUTION ILLUMINATED WITH AUTO FAIL LIGHT ON. ACFT GROUNDED. ACCOMPLISHED AUTO FAIL LIGHT ON FAULT ISOLATION TEST, SYS NR 2 HAS 2 FAULTS, CODE 001 AND 41. ACCOMPLISHED SYS WIRING FAILURE FAULT ISOLATION TEST WITH CPC-PANEL WIRING FAULT DETAIL, WIRING READS GOOD REF TASK 21-31, TASK 804 AND ACCOMPLISHED CABIN PRESSURE CONTROLLER FAIL FAULT ISOLATION TEST, OPS NORMAL, REF TASK 21-31, TASK 824. R & R CABIN PRESSURE CONTROLLER, OPS NORMAL IAW MM 21-31-01-400-801.