What was found
AUTO FAIL ON PRESSURIZATION BOTH AUTO & ALT. BITE OF DCPC FAULTS "SEL PNL LRU FAIL" CODE 104 IAW FIM21-31-00 -810-801. REPLACED CABIN PRESSURE MODULATE DISPLAY IAW AMM21-31-02-000- 810 & CPC IAW AMM21-31-01. GROUND TEST & MANUAL MODE TESTED GOOD IAW 21-31-00. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1615234 SN OFF 02845 TT # 1601770 SN OFF 09469 PANEL, PRESS, C OFF 29-2131-9-0006 2845 ON 29-2131-9-0006 1745 CONTROLLER, CAB OFF 29-2131-9-0003 9469 ON 29-2131-9-0003 8010