# SDR ASAA2023040442793

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2023
- Submitted: April 11, 2023
- Operation: Air carrier
- Aircraft: [N474AS](https://openairdocs.org/aircraft/N474AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40715
- Aircraft time: 28,896 hours, 9,067 cycles
- System (JASC): [7530 · Compressor Bleed Control](https://openairdocs.org/jasc/7530)
- Part: Actuator
- Part number: 1324M12P10
- Part serial: APMVC676
- Condition: Leaking
- Location: #1 Engine
- Part time: 28,972 hours, 9,090 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023040442793

## Discrepancy

DURING ENGINE RUN, FOUND LEAK COMING FROM R VSV DRAIN ON #1 ENGINE. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE RIGHT HAND VSV ACTUATOR REF B737-900 AMM 75-31-01.

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