# SDR HALA0000021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2000
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N129AA](https://openairdocs.org/aircraft/N129AA), registered now
- Make and model: Doug DC-10-10
- Registry model: [Doug DC-10-10](https://openairdocs.org/model/mcdonnell-douglas-dc-10-10) (OpenAirDocs)
- Aircraft serial: 46996
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Shutoff Valve
- Condition: Cracked
- Location: Hyd System
- Stage of operation: CL
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA0000021

## Discrepancy

HNL - FLT 12 - AIR TURN BACK, DURING CLIMB THROUGH 10,000 FT, 'HYD SYSTEM NR 3 ELEV OFF', ILLUMINATED.  DURING PREFLIGHT, QTY 3 INDICATED 8.5 GAL.  AFTER LIGHT ILLUMINATED, QTY SHOWED 4.5 GALLONS WHEN GEAR WAS EXTENDED, QTY SHOWED 3.9 GALLONS.  FOUND FORWARD NON-REVERSIBLE PUMP SHUTOFF VALVE CRACKED AT HOUSING.  REMOVED AND REPLACED SHUTOFF VALVE.  OPS AND LEAK CHECK OK.  RESERVICED NR 3 HYDRAULIC SYSTEM.  (M)

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