# SDR AALA20141123010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2014
- Submitted: November 24, 2014
- Operation: Air carrier
- Aircraft: [N494AA](https://openairdocs.org/aircraft/N494AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49732
- Aircraft time: 73,965 hours, 39,314 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: B-Nut
- Condition: Loose
- Location: Hydraulic Sys
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20141123010

## Discrepancy

EMERGENCY DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT.  DURING DESCENT RT HYD SYS QTY INDICATED LOW & DECREASING.  PERFORMED QRH & LANDED WITH RT HYD ENG & AUXILIARY PUMPS OFF.  FOUND B NUT LEAKING AT LG MANIFOLD.  TORQUED NUT IAW SP 20-30-02. PERFORMED LEAK CHECKS.  SYS CHECKED NORMAL.

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