# SDR DL73E982397

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N381DL
- Make and model: Boeing 737247
- Aircraft serial: 23608
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Valve
- Condition: Worn
- Location: Hyd Tank
- Stage of operation: DE
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL73E982397

## Discrepancy

ON INITIAL DESCENT THRU FL31, GOT LOW PRESSURE LIGHT ON A-HYD SYSTEM AND ELEV FEEL LIGHT.  SYS-A HYD PRESSURE WAS ZERO AND HYD QTY WAS LOW.  FOLLOWED POM PROCEDURES.  ON GROUND HYD QTY APPEARED NORMAL.  SERVICED HEAD PRESSURE AND CHANGED FILTERS AND CHECKED VALVE.

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