# SDR ASAA2018091726151

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2018
- Submitted: October 15, 2018
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 40,579 hours, 12,304 cycles
- Engine: Cfmint CFM567B27B3
- System (JASC): [7530 · Compressor Bleed Control](https://openairdocs.org/jasc/7530)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018091726151

## Discrepancy

WHILE PERFORMING T/C 78273000 FOUND NR 1 ENGINE HAS "THE VSV POSITION SIGNAL IS OUT OF RANGE" LONG TIME FAULT 75-20391. GROUNDED - YES. PERFORMED EEC BITE IAW FIM 73-00 TASK 801. FOUND NO FAULTS. PERFORMED ACTUATORS TEST IAW AMM 71-00-00-700-807-F00. GROUND VERIFICATION GOOD AND NO FAULTS EXISTING.

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