# SDR IXXA20230221017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2023
- Submitted: February 22, 2023
- Operation: Air carrier
- Aircraft: N714AX
- Make and model: Boeing 767223
- Aircraft serial: 22314
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: None
- Condition: None
- Stage of operation: DE
- How discovered: V
- Nature of condition: K
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IXXA20230221017

## Discrepancy

CENTER HYDRAULIC PRESSURE EICAS ON APPROACH. QUANTITY IN CENTER REACHED 0.08. ALTERNATE FLAP AND GEAR EXTENSION ENGAGED.  HYDRAULIC QTY WAS FULL AT TOP OF DESCENT AND EMPTY WHEN FLAPS 5 SELECTED. DUE TO IRREGULAR OPERATIONS CREW ELECTED AN EMERGENCY DESCENT. LANDING WAS WITHOUT INCIDENT AND NO ADDITIONAL PRECAUTIONARY ACTIONS. ON ARRIVAL, AIRCRAFT WAS GROUNDED FOR UNSCHEDULED MAINTENANCE. WORK IN PROGRESS

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