# SDR SWAA030550

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2003
- Submitted: March 14, 2003
- Operation: Air carrier
- Aircraft: [N712SW](https://openairdocs.org/aircraft/N712SW), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27846
- Aircraft time: 17,524 hours, 10,967 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic Line
- Part number: AS118G0194CTR
- Condition: Cracked
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA030550

## Discrepancy

DECLARED EMERGENCY, DURING FLIGHT A-SYSTEM HYDRAULIC QUANTITY IND WENT TO ZERO.  FOUND LINE ON HYD MUFFLER CRACKED.  REMOVED AND REPLACED HYD LINE, NR 1 ENG HYD PUMP, CASE DRAIN FILTER & A-SYSTEM MAIN FILTER PER MM.

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