# SDR DL73S031139

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2003
- Submitted: February 17, 2004
- Operation: Air carrier
- Aircraft: N312DL
- Make and model: Boeing 737232
- Aircraft serial: 23084
- Aircraft time: 56,821 hours, 42,523 cycles
- Engine time: 40,321 hours, 30,814 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: 6546858110
- Condition: Chafed
- Location: Nr 2 Eng Hyd Sys
- Stage of operation: AP
- 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/DL73S031139

## Discrepancy

A SYSTEM HYDRAULIC FAILURE ON FINAL, PRESSURE AND QUANTITY  WENT TO ZERO.  FOUND NR 2 ENGINE HYDRAULIC PUMP PRESSURE LINE CHAFED THROUGH.  REPLACED LINE.

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