# SDR CA991027008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Boeing 737217
- Engine: Pwa JT8D17A
- System (JASC): [2917 · Hydraulic Pressure Regulator, Main](https://openairdocs.org/jasc/2917)
- Part: Valve
- Part number: 7209
- Condition: Failed
- Location: Hyd Pressure
- Part time: 9,658 hours
- Stage of operation: DE
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA991027008

## Discrepancy

(CAN) ON DESCENT, NR 1 HYDRAULIC SYSTEM PUMP FAILED, HALFWAY THROUGH CHECK LIST, NR 2 A-PUMP LOW PRESSURE LIGHT CAME ON, WITH CORRESPONDING DROP OF A-SYSTEM PRESSURE.  LOSS OF A-SYSTEM PRESSURE CHECK LIST CARRIED OUT , NR 1 AND NR 2 ENGINE CASE DRAIN FILTERS CHECKED PER WORK CARD 1124-1 AND -2.   NO FAULTS FOUND.   HYDRAULIC SYSTEM PRESSURE REGULATOR REPLACED.

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