# SDR ASAA2022091740059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2022
- Submitted: September 26, 2022
- Operation: Air carrier
- Aircraft: [N428AS](https://openairdocs.org/aircraft/N428AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36353
- Aircraft time: 23,913 hours, 7,494 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7530 · Compressor Bleed Control](https://openairdocs.org/jasc/7530)
- Part: Vbv
- Part number: 1226400
- Part serial: YU0236742
- Condition: Binding
- Location: #2 Engine
- Part time: 61,995 hours, 26,246 cycles
- 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/ASAA2022091740059

## Discrepancy

MTX MSG SHORT TIME FAULT CODE 75-10452 "THE VBV POSITION SIGNALS DISAGREE" FOUND WHILE PERFORMING ASA TASK CARD 78273000 ON ENGINE #2. GROUNDED - YES. REMOVED AND REPLACED OB VSV ACTUATOR REF B737-900 AMM 75-32-02-400-802.

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