# SDR ASAA2023021741967

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2023
- Submitted: February 17, 2023
- Operation: Air carrier
- Aircraft: [N471AS](https://openairdocs.org/aircraft/N471AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41703
- Aircraft time: 31,265 hours, 9,771 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Pump
- Part number: 66087
- Part serial: 660877531
- Condition: Unknown
- Location: #1 Engine
- Part time: 31,316 hours, 9,787 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023021741967

## Discrepancy

FOLLOW UP TO MOMENTARY ILLUMINATION OF ELEVATOR FEEL DIFF PRESSURE LIGHT DURING HIGH A SYSTEM HYDRAULIC DEMAND. GROUNDED - YES. FOUND ELECTRIC RECEPTOR ON #1 EDP HAS STRIPPED THREADS,AND LOOSE. EDP REMOVED AND REPLACED OPS AND LEAK CHECK GOOD REF B737-900 AMM 29-11-11.

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