What was found
DURING CLIMBOUT AT 9000FT, LEVEL 3-AIR MANF 2 FAIL - C/W QRH ALERT GONE @ N1 60% DECLARED EMERGENCY. REMOVED AND REPLACED D1-29 #2 MANIFOLD SENSING ELEMENT P/N: 35519-4-310, ANUFACTURER: FENWAL SAFETY SYSTEMS. USED MANIFOLD DETECTION TEST SET, NO FAULTS NOTED, PERFORMED AIR SYS TEST IN SYS 1,2 AND BOTH ALL TESTS PASS. REF: AMM 36-23-02-4 AND FIM: 36-23-00-2. CLEARING MEL, ENGINE RUN FOR CONFIDENCE CHECK ON WRI: 71-01/7841.