# SDR ASAA2023031842414

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2023
- Submitted: March 20, 2023
- Operation: Air carrier
- Aircraft: [N557AS](https://openairdocs.org/aircraft/N557AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35176
- Aircraft time: 61,273 hours, 17,813 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Regulator
- Part number: 1074926
- Part serial: 11818
- Condition: Faulty
- Location: #2 Engine
- Part time: 10,398 hours, 3,562 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/ASAA2023031842414

## Discrepancy

PERFORMED TASK CARD NG-36WC-00001 BLEED AIR SYSTEM HEALTH CHECK. FOUND BLEED REGULATOR FAIL AT ENG#2. GROUNDED - YES. R/R ENG 2 BAR IAW B737-800 AMM 36-11-03. OPS CHK GOOD.

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