# SDR ASAA2023081744677

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2023
- Submitted: August 21, 2023
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 59,344 hours, 17,517 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023081744677

## Discrepancy

AFTER #2 ENGINE START ENG ANNUNCIATED AND EEC SWITCHED TO ALT MODE AND CDS FAULT INDICATION AND NO "B" SYS HYD PRESS INDICATION. GROUNDED - YES. PERFORMED FIM 73-24 TASK 801 FOUND MSG # 73-31442 "DEU2 DATA MISSING" PERFORMED A/C POWERDOWN FOR TROUBLE SHOOTINGREF MM 20-60-99. PERFORMED DEU SELF TEST REF FIM 31-62 TASK 802, SELF TEST PASSED, NO CURRENT FAULT. PERFORMED EEC TEST AGAIN REF FIM 73-24 TASK 73-24 TASK 815 NO FAULTS TEST PASSED, NO CDS FAULTS INDICATION. RAN ENG #2 REF MM 71-00-00, ENG #2 ALT MODE LIGHT DID NOT TURN ON. NO 30 DAY HISTORY. SEAMC STEVE NOTIFED. A/C OK FOR SERVICE.

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