# SDR ASAA2021050734770

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2021
- Submitted: May 10, 2021
- Operation: Air carrier
- Aircraft: [N419AS](https://openairdocs.org/aircraft/N419AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41734
- Aircraft time: 30,176 hours, 9,730 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Solenoid Valve
- Condition: Loose
- Location: Hyd Pump
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021050734770

## Discrepancy

#2 EDP DEPRESSURIZATION SOLENOID VALVE IS LOOSE. GROUNDED - YES. TIGHTENED AND SAFTIED #2 EDP DEP SOL VALVE REF B737-900 AMM 29-11-11. PERFORMED OPS CHECK OF #2 EDP SOL DEP VALVE REF AMM 29-11-11-710-801. OPS CHECK GOOD.

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