# SDR DLM88011429

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2001
- Submitted: September 5, 2001
- Operation: Air carrier
- Aircraft: N942DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49815
- Aircraft time: 33,984 hours, 27,468 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: B-Nut
- Condition: Loose
- Location: Hydraulic Sys
- Stage of operation: CR
- 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/DLM88011429

## Discrepancy

LT HYD QTY W/HYD QTY LOW IND.  FOLLOWED CK LIST PROCEDURES AND LOST LT HYD PRESSURE W/GOOD QTY.  ZERO LEFT HYD PRESSURE W/GOOD RIGHT HYD PRESSURE AND GOOD QUANTITIES.  WHEN XFER PUMP TURNED ON PER MCC.  QTY RETURNED TO 19 QTS WITHOUT PRESSURE.  FWD B-NUT LOOSE AT LT THRUST RVSR CONTROL VALVE.  REPLACED HYD PRESS LINE THAT RUNS FROM ACCUMULATOR TO CONTROL VALVE.  CHECK OF EDP CKS GOOD, LEAK CKS GOOD.

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