# SDR DL733992103

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N311WA
- Make and model: Boeing 737347
- Aircraft serial: 23597
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: AS116080264
- Condition: Failed
- Location: B Hyd Sys
- Stage of operation: CL
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL733992103

## Discrepancy

LOST TOTAL HYDRAULIC B-SYSTEM OUANTITY.  ENGINE NR 2 LOW PRESSURE LIGHT ILLUMINATED.  SYSTEM B-PRESSURE BEGAN TO FLUCTUATE, SYSTEM B QUANTITY DROPPED TO E.  ELEC 1 (B SYS) LIGHT THEN ILLUMINATED.  FOUND FLEXIBLE HYDRAULIC LINE TO B-SYSTEM ELEC HYDRAULIC PUMP WITH HOLE.  REPLACED FLEX LINE, ELEC HYDRAULIC PUMP, AND CASE DRAIN FILTERS.  SYSTEM CHECKED GOOD AND A/C RTS AT 2100M.

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