# SDR DJFA2004034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2004
- Submitted: November 26, 2004
- Operation: Air carrier
- Aircraft: [N709TA](https://openairdocs.org/aircraft/N709TA), registered now
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK180
- Aircraft time: 5,511 hours, 4,357 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Pump
- Part number: 4AS65020001
- Condition: Out Of Limits
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DJFA2004034

## Discrepancy

CREW REPORTED, IN CLIMB, NOTICED HYD PRESS FLUCTUATING ABOVE NORM.  AFTER FL390, PRESS STABLE FOR 5 TO 10 MINS THEN INCREASED TO 2000 PSI AND HELD.  EMERG DECLARED. A/C LANDED USING ALT GEAR EXTENSION, WITH A NO FLAPS APPROACH. PWR BRAKE FAILURE CHECKLIST USED. NO FURTHER PROBLEMS DURING LANDING. MX FOUND LOOSE WIRE SPLICE FOR NR 4 WIRE OF HYD PRESS XMITTER CANNON PLUG.  NEW SPLICE INSTALLED, OPS CHECK OF HYD PRESS IND WAS PERFORMED.  SPEED BRAKES, FLAPS, L/G, THRUST REVERSERS, AND BRAKE SYSTEMS WERE BLED.  THE N2 BLOW DOWN BOTTLE WAS SERVICED.  OP`S CHECK WAS GOOD. PROBLEM REOCCURED DURING TEST FLT LT/RT ENG DRIVEN HYD PUMPS AND RT HYD PUMP DRAIN LINE REPLACED. TEST FLT COMPLETED. A/C RETURNED TO SERV.

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