# SDR WRLA97110

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N273WA](https://openairdocs.org/aircraft/N273WA), registered now
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48519
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Connector
- Part number: MS24266R12T3S
- Condition: Dirty
- Location: Nr 1 Hyd Pump
- Stage of operation: TX
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WRLA97110

## Discrepancy

DURING FLIGHT CREW TAXI-CHECKS, NOTICED NR 1 ENGINE DRIVEN HYD PUMP WILL NOT DEPRESSURIZE.  FLT CREW ELECTED TO RETURN TO GATE.  MAINTENANCE PERSONNEL CLEANED DEPRESSURIZATION SWITCH CANNON PLUG.  GROUND RUN CHECK OK.  AIRCRAFT RETURNED TO SERVICE.  (M)

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