# SDR ASAA2019072430217

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2019
- Submitted: July 30, 2019
- Operation: Air carrier
- Aircraft: [N434AS](https://openairdocs.org/aircraft/N434AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 61620
- Aircraft time: 13,551 hours, 4,332 cycles
- 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/ASAA2019072430217

## Discrepancy

WHILE PERFORMING TASK CARD NUMBER 78273000, FOUND MAINT MESSAGE 75-30452 - "VBV POSITION SIGNALS DISAGREE" PRESENT ON #2 ENGINE. GROUNDED - YES. ACCOMPLISHED T/C 78273000. NO FAULTS FOR LAST 10 FLT LEGS.

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