ISC 0/C REF: GENERIC NO REF APUS 491002 APU - SURGE CONTROL VALVE 3291238-2 MOS 49.045 367 HRSYSASC 0/C REF: GENERIC NO REF APUS 491003 APU - COMBUSTER DRAIN 572-514-9203 MOS TSN:0 49.4 25-JUN-2010 49.085 NiSN HRSAISC 0/C TSN:0 454 3001 REF: GENERIC NO REF APUS TSN:0 474 2487 74nsuff