ce system checks good while parked. 4-RJH engine TGT (Turbine Gas Temperature) was 200° split from LIH engine, we got a CAS message, #1 DAU issue„ (Data Acquisition Unit) fault., There are 2 channels A & B on the DAU„ when we selected backup B Channel, TGT was normal, it's not an Engine issue, could be Faulty DAU.

Warning Computer 2 $27,706 each DC-884 7007540-932 Display Controller 2 $18,554 each DP-884 7007543-902 Dimming Panel 1 $2,600 DA-884 7007580-901 Data Acquisition Unit 2 $13,861 SG-884 7008570-905 Symbol Generator 3 $36,313 each Flight Controls SM-600 4015373-704 Servo Drive 2 $12,041 EFTA00682668 SB-600 40153

ce system check= good while parked. 4-R/H engine TGT (Turbine Gas Temperature) was 200° split from 1/H engi=e, we got a CAS message, #1 DAU issue„ (Data Acquisition Unit) fault., There are 2 channels A & B on the DAU„ when we selected backup B Channel, T=T was normal, it's not an Engine issue, could be Faulty DAU. M

pproved document GAC ASC 8A AnTillny Power (ATA 49) APU FIRE TEST - IMPROVEMENT; dated: Match 30, 1989. The purpose of this change is to prevent the Data Acquisition Unit (DAU) "nuscornpare message from being displayed on the Engine Instrument Crew Alerting System (EICAS) when the APU overspend shutdown is selected W

822-0328-011 Altitude Awareness Panel CHP-850 622-7397-002 Course Heading Panel D8U-4100 822-0014-002 Data Base Unit DAU-650 622.9344-101 Data Acquisition Unit SOD-640A 622.9347-001 Sensor Display Driver IOC-4000 ( 4) 622-9814.514 Card Assembly MDC-4000 622-9818-751 Maintenance Computer CSU-4000 (2

822-0328-011 Altitude Awareness Panel CHP-850 622-7397-002 Course Heading Panel DBU-4100 822.0014-002 Data Base Unit DAU-650 622.9344-101 Data Acquisition Unit SDD-640A 622-9347-001 Sensor Display Driver ICK-4000 ( 4) 622.9814-514 Card Assembly MDC-4000 622-9818.751 Maintenance Computer CSU-4000 (2

822-0328-011 Altitude Awareness Panel CHP-850 622-7397-002 Course Heading Panel DBU-4100 822-0014-002 Data Base Unit DAU-650 622-9344-101 Data Acquisition Unit SDD-640A 622-9347-001 Sensor Display Driver IOC-4000 ( 4) 622-9814-514 Card Assembly MDC-4000 622-9818-751 Maintenance Computer CSU-4000 (2

822.0328.011 Altitude Awareness Panel CHP-850 622-7397-002 Course Heading Panel DBU-4100 822-0014-002 Data Base Unit DAU-650 622-9344.101 Data Acquisition Unit SDD-640A 622-9347-001 Sensor Display Driver IOC-4000 ( 4) 622-9814-514 Card Assembly MDC-4000 622-9818-751 Maintenance Computer CSU-4000 (2