# SDR MASA2009042600138

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2009
- Submitted: April 30, 2009
- Operation: Air carrier
- Aircraft: [N502MJ](https://openairdocs.org/aircraft/N502MJ), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10050
- Aircraft time: 16,495 hours, 11,268 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Relief Valve
- Part number: 9752753
- Part serial: PN0279
- Condition: Faulty
- Location: Hydraulic Sys
- Part time: 1,537 hours, 1,099 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MASA2009042600138

## Discrepancy

ASH FLT 7324 ORD-ATL.  CREW DECLARED EMERGENCY AND RETURNED TO THE FIELD DUE TO A GEAR DISAGREE, NLG DID NOT RETRACT.  MX REPLACED LEFT NR 3 HYDRAULIC SYSTEM BALANCE RELIEF VALVE.

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