What was found
ON CLIMB OUT AT 14,000 FT HAD NR 2 MANIFOLD FAIL LEVEL 3 ALERT. INTERROGATED THE MCDU SYS AIU 1, AIU 2, PSC 1, PSC 2, AND MSC. ALSO REVIEWED CURRENT FAULTS. FOUND A FAV FAULT (CODE 361031). THE AIR SYNOPTIC PAGE SHOWS SYS NR 2 IN RED AND THE MANF LIGHT ON THE ASCP IS ILLUMINATED. MEM R AFTER FURTHER REVIEW, FOUND SYS NR 2 MANIFOLD FAIL IN AIU 1, 2, 3. R & R NR 2 MANIFOLD LOOPS D1-27A & D1-27B IAW MM 36-23-02-4. AFTER LOOP'S R & R. 'AIR SYS 2 FAIL' STILL DSPLAYED, AIR MANF TEST FAIL & AIU 1 CURRENT FAULTS SHOWED: NO LOOP 1A/1B INPUT RECEIVED DURING PREFLT TEST-P, NO LOOP 2 INPUT RECEIVED DURING PREFLT TEST-P NO LOOP 3 INPUT RECEIVED DURING PREFLT TEST-P. RECONNECTED MANIFOLD FAIL TEST BOX & VERIFIED MANIFOLD FAIL DETECT SYS ALL OK. R & R AIU 1. R-T-S OK. AIR SYS TEST NORMAL. NO ALERTS DISPLAYED. REF MM 31-43-02-4-0.