# SDR DL72S950537

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N546DA
- Make and model: Boeing 727232
- Aircraft serial: 22677
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Pcu
- Condition: Failed
- Location: Rudder
- Component: 591005017
- 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/DL72S950537

## Discrepancy

DURING CLIMB THROUGH 18,000 FEET BOTH 'A' SYSTEM HYDRAULIC PUMPS FAILED, LANDED LAX.  FOUND LOWER RUDDER PCU FAILED, CAUSING A SYSTEM FAILURE.  REPLACED PCU AND BOTH 'A' SYSTEM PUMPS AND FILTERS.

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