# SDR 2002UALA01755

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2002
- Submitted: December 18, 2002
- Operation: Air carrier
- Aircraft: N520UA
- Make and model: Boeing 757222
- Aircraft serial: 24890
- Aircraft time: 41,385 hours, 15,561 cycles
- Engine: Pwa PW2037
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: 271N63111132
- Condition: Cracked
- Location: Rt Pylon
- Stage of operation: LD
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002UALA01755

## Discrepancy

ON LANDING, LOST RT HYDRAULICS. THE NR 2 ENGINE REVERSER HYDRAULIC PRESSURE TUBE WORE THRU AND LEAKED.  CAUSE OF THE TUBING WEAR WAS FROM A DEGRADED CLAMP RUBBER SLEEVE CAUSED BY ENGINE VIBRATION.  TUBE WAS REPLACED AND A NEW CLAMP WAS INSTALLED.

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