# SDR UIEA200600061

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2006
- Submitted: April 7, 2006
- Operation: Air carrier
- Aircraft: N524MC
- Make and model: Boeing 747-2D7B
- Registry model: [Boeing 747-2D7B](https://openairdocs.org/model/boeing-747-2d7b) (OpenAirDocs)
- Aircraft serial: 21784
- Aircraft time: 91,194 hours, 18,938 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Union
- Part number: BACA14AZ12AD
- Condition: Worn
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA200600061

## Discrepancy

ATB:LOSS NR 4 HYD SYSTEM AFTER GEAR UP.  SYSTEM LEAKING.  FOUND UNION ON HYD RETURN LINE WORN, REPLACED OPS AND LEAK CHECKED NORMAL AS PER MM 29-00-00.

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