# SDR USAASB02015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2002
- Submitted: February 14, 2002
- Operation: Air carrier
- Aircraft: N387US
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 22959
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAASB02015

## Discrepancy

PIT - FLT 1158 - EN ROUTE FROM PBI TO PIT, AT FL370, CREW REPORTED THE SYSTEM B ELECTRIC HYDRAULIC PUMP LOW PRESSURE LIGHT ILLUMINATED.  THEN, ON FINAL INTO PIT, SYSTEM B HYDRAULICS FAILED WITH FLAPS SET AT FIVE DEGREES.  FLIGHT LANDED AND TAXIED TO THE GATE WITHOUT FURTHER INCIDENT.  AN EMERGENCY WAS DECLARED.  MX REMOVED AND REPLACED A LEAKING B SYSTEM HYDRAULIC PRESSURE LINE AT MANIFOLD.  REMOVED AND REPLACED NR 2 ENGINE DRIVEN HYDRAULIC PUMP (P/N 65075-06) PER MM 29-15-12 DUE TO FILTER CONTAMINATION.  REMOVED AND REPLACED B SYSTEM ELECTRIC HYDRAULIC PUMP (P/N MPEV3-056-9A) AS PRECAUTIONARY.  REMOVED AND REPLACED B SYSTEM RETURN AND CASE DRAIN FILTERS, FLUSHED SYSTEM AND REPLACED FILTERS AGAIN.  SERVICED SYS

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