# SDR CA000118019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2000
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Boeing 737275
- Engine: Pwa JT8D9A
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: 6546858236
- Condition: Chafed
- Location: Hyd System
- Stage of operation: DE
- Nature of condition: K, J
- Precautionary procedure: J
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA000118019

## Discrepancy

(CAN) ON DESCENT, HYDRAULIC QUANTITY WENT TO ZERO.  'A' AND 'B' HYDRAULIC SYSTEM PRESSURE WERE ALL NORMAL.  ON FLAP AND THEN GEAR SELECTION, A AND B HYD PRESSURE FLUCTUATED MOMENTARILY.  NO LOW PRESSURE LIGHTS CAME ON AT ANY TIME.  PRESSURE REMAINED STEADY ON TAXI TO RAMP.  FOUND HYD LINE IN NR 1 PYLON CHAFED AND LEAKING LINE REPLACED.

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