# SDR ASAA2023071344018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2023
- Submitted: July 17, 2023
- Operation: Air carrier
- Aircraft: [N403AS](https://openairdocs.org/aircraft/N403AS), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 41730
- Aircraft time: 39,812 hours, 12,686 cycles
- System (JASC): [7530 · Compressor Bleed Control](https://openairdocs.org/jasc/7530)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023071344018

## Discrepancy

DURING #2 ENG BITE TEST. FOUND FAULT 75-30452. THS VBV POSITION SIGNALS DISAGREE. SHORT TIME. GROUNDED - YES. PERFORMED FIM 75-32-TASK 803 INITIAL EVALUATION FOUND FAULT TO BE NOT ACTIVE AND INTERMITTENT.

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