# SDR IPXA11M67536

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2011
- Submitted: June 27, 2011
- Operation: Air carrier
- Aircraft: [N289UP](https://openairdocs.org/aircraft/N289UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48455
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Packing
- Part number: NAS1611028
- Condition: Broken
- Location: Restrictor Valve
- Stage of operation: NR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA11M67536

## Discrepancy

HYD 3 ELEV OFF LEVEL 1 MSG, HYD 3 FLUID QTY 4.5 SLOW DROP TO 2.5 GALS.  FOUND HYD LEAK ON MLG HYD CONTROL VALVE REF IPC 32-31-01, FIG 01 ITEM F.  FOUND PACKING ON RESTRICTOR VALVE DAMAGED, REF ITEM 160.  INSTALLED NEW PACKING AND RETAINER IAW AMM 32-31-20-4, REV 70, DATE 03-01-2011.  LEAK CHECKED C/O.  FOUND SATISFACTORY.

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