# SDR AALA20171030006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2017
- Submitted: November 4, 2017
- Operation: Air carrier
- Aircraft: [N894NN](https://openairdocs.org/aircraft/N894NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31147
- Aircraft time: 17,243 hours, 6,852 cycles
- Engine: Ge CFM567B24
- Engine time: 17,243 hours, 6,852 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 849589
- Part serial: MX795340
- Condition: Failed
- Location: Rt Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: Y, G, K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20171030006

## Discrepancy

AIRCRAFT WAS GROUNDED.  EMERGENCY DECLARED.  ORD-DFW FLIGHT DIVERTED TO STL ACCOUNT RIGHT ENGINE SHUTDOWN IN FLIGHT.  JUST PRIOR TO LEVEL OFF AT FL220, THE RIGHT NR 2 HYDRAULIC ENGINE PUMP LOW PRESSURE LIGHT ILLUMINATED.  AFTER ABOUT 5 MINUTES, "B" SYSTEM QUANTITY DROPPED TO ZERO, "A" SYSTEM STAYED AT 71.  ELECTRIC HYDRAULIC PUMP LIGHT AND ENGINE NR 2 OIL FILTER BYPASS LIGHT ILLUMINATED.  UNEVENTFUL LANDING WITH SINGLE ENGINE.  R&R RT ENGINE DRIVEN PUMP WITH ENGINE CHANGE PER AMM 29-11-11 AND 71-94-01, SYSTEM B ELECTRIC MOTOR DRIVEN PUMP PER AMM 29-11-21 (AALA201711079014), AND STANDBY HYDRAULIC SYSTEM EMDP PER AMM 29-21-21 (AALA201711079015).  OPERATIONAL CHECK GOOD. (CLOSED)

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