# SDR 0000362287

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2000
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N287US](https://openairdocs.org/aircraft/N287US), registered now
- Make and model: Boeing 727251
- Aircraft serial: 21375
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: O Ring
- Condition: Failed
- Location: Elevator
- Stage of operation: LD
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/0000362287

## Discrepancy

ON APPROACH TO MSP, THE 'A' SYSTEM HYDRAULIC QUANTITY AND PRESSURE WENT TO ZERO.  FLIGHT LANDED WITHOUT INCIDENT.  MSP MAINTENANCE REPLACED BLOWN O-RING ON ELEVATOR/RUDDER FILTER RETURN MODULE.  LEAK AND OPERATIONAL CHECK OK.

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