# SDR ASAA2020091163160

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 2020
- Submitted: September 11, 2020
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 43,878 hours, 13,057 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Check Valve
- Part number: 32022221
- Part serial: 13411
- Condition: Binding
- Location: Nr 2 Bleed
- Part time: 31,015 hours, 9,025 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020091163160

## Discrepancy

REF TC AD20201651-NG-36-2, NR 2 ENG 5TH STG BLEED AIR CHECK VALVE FAILS INSP ON STEP NR 4.  GROUNDED - YES.  REMOVED AND REPLACED NR 2 ENG 5TH STG BLEED AIR VALVE, REF T/C AD20201651-NG-36-2.  OPS CHECKED AND LEAK CHECKED GOOD.

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