# SDR ASAA2023090544964

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2023
- Submitted: September 7, 2023
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 39,031 hours, 12,259 cycles
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Regulator Valve
- Part number: 32145526
- Part serial: 15237
- Condition: Inoperative
- Location: #1 Engine
- Part time: 25,243 hours, 9,349 cycles
- Stage of operation: NR
- 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/ASAA2023090544964

## Discrepancy

ENG 01 BLEED INOP. GROUNDED - YES. REMOVED AND REPLACED ENG #1 PRSOV OPS CHECK GOOD REF AMM 36-11-04-400-801.

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