# SDR DLM88020448

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2002
- Submitted: April 23, 2002
- Operation: Air carrier
- Aircraft: N971DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53214
- Aircraft time: 31,358 hours, 24,682 cycles
- Engine time: 12,538 hours, 19,959 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Reducer
- Part number: AN8158
- Condition: Leaking
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM88020448

## Discrepancy

LEFT HYD WENT TO ZERO LEFT HYD PRESS FAIL.  LEFT REVERSER CONTROL VALVE LEAKING AT LOWER OUTBOARD B/NUT.  REPLACED REDUCER AND O-RING, RESECURED HYD LINE.  NO FLUID CONTAMINATION IN APU INLET.  CLEANED TAIL COMPT OF RESIDUAL FULID, LEAK CHECKS GOOD.

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