# SDR ASAA2022121841205

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2022
- Submitted: December 27, 2022
- Operation: Air carrier
- Aircraft: [N589AS](https://openairdocs.org/aircraft/N589AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35686
- Aircraft time: 54,302 hours, 15,964 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Valve
- Part number: 1821M59P05
- Part serial: GRTG4753
- Condition: Leaking
- Location: Nr 1 Engine
- Part time: 19,322 hours, 9,907 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/ASAA2022121841205

## Discrepancy

#1 ENGINE HPTACC VALVE DRAIN FOUND LEAKING AT 30 DPM DURING ENGINE CHANGE LEAKS CHECKS. GROUNDED - YES. REMOVED AND REPLACED HPTACC VALVE REF B737-800 AMM 75-21-01/401. NO LEAKS NOTED.  ORIG SUBMISSION DATE:  12/22/2022

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