# SDR CA030611002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2003
- Submitted: July 14, 2003
- Operation: General aviation
- Make and model: Boeing 737281
- Aircraft time: 44,688 hours
- Engine: Pwa JT8D17
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Pcu
- Part number: 654476114
- Condition: Broken
- Location: Aileron
- Stage of operation: LD
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA030611002

## Discrepancy

(CAN) DURING LANDING THROUGH APPROXIMATELY 60 KNOTS, AIRCRAFT EXPERIENCED A COMPLETE LOSS OF 'A' SYSTEM HYDRAULICS. (NOTE: 'A' PUMPS ON WITH LOW PRESSURE LIGHTS ILLUMINATED - MAX 1.5 MINUTES) MAINTENANCE INSPECTION REVEALED POSITION NR 1 LOWER AILERON PCU FILTER HOUSING COMPLETELY CRACK AROUND CIRCUMFERENCE OF HOUSING (DETACHED FROM UNIT). MAINTENANCE REPLACED PCU PER MM 27-11-71, LEAK CHECK AND ADJUSTMENT TEST OF AILERON ACTUATOR COMPLETE. NO LEAKS TO REPORT.AIRCRAFT RETURNED TO SERVICE WITH NO FURTHER INCIDENTS TO REPORT.

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