# SDR ASAA2020072432936

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2020
- Submitted: July 27, 2020
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 51,263 hours, 15,315 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 32022221
- Part serial: 2011
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 91,449 hours, 39,724 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/ASAA2020072432936

## Discrepancy

NR 1 ENGINE 5TH STAGE CHECK VALVE FAILED INSPECTION IAW T/C NG-36EO-22817-1.  GROUNDED - YES.  REMOVED THE NR 1 ENG BLEED AIR CHECK VALVE IAW AMM 36-11-02-00 AND INSTALLED NEW 5TH STAGE BLEED AIR CHECK VALVE IAW AMM 36-11-02-400-801.  REINSTALLED NR 1 ENG BLEED AIR CHECK VALVE IAW AMM 36-11-02-400-801, NO LEAKS NOTED. COMPLIED WITH T/C # NG-36EO-22817-1.

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