# SDR ARWA20061104

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2006
- Submitted: December 1, 2006
- Operation: Air carrier
- Aircraft: N450ML
- Make and model: Doug DC-10-30F
- Registry model: [Doug DC-10-30F](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30f) (OpenAirDocs)
- Aircraft serial: 47831
- Aircraft time: 95,258 hours, 17,040 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: B-Nut
- Condition: Loose
- Location: Hyd System
- Stage of operation: LD
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ARWA20061104

## Discrepancy

LOSS OF HYDRAULIC FLUID IN SYSTEM NR 3 ACCOMPANIED BY "HYDRAULIC SYSTEM NR 3 ELEVATOR OFF LIGHT".  FOUND HORIZONTAL STABILIZER UPPER PRIMARY TRIM CONTROL VALVE PRESSURE LINE B-NUT LOOSE; TIGHTENED PRIMARY TRIM CONTROL VALVE PRESSURE LINE "B" NUT IN ACCORDANCE WITH M/M 20-50-01; OPERATIONAL CHECK HORIZONTAL STABILIZER SYSTEM FOUND NORMAL IN ACCORDANCE WITH M/M 27-43-03 AND 27-40-00.

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