# SDR O2GA2015030282001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2015
- Submitted: March 5, 2015
- Operation: Air carrier
- Aircraft: [N820UP](https://openairdocs.org/aircraft/N820UP), registered now
- Make and model: Beech B300
- Registry model: [Beech B300](https://openairdocs.org/model/hawker-beechcraft-b300) (OpenAirDocs)
- Aircraft serial: FL905
- Aircraft time: 650 hours, 543 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Accumulator
- Part number: 1013880095
- Part serial: APW162
- Condition: Defective
- Location: Zone 700
- Part time: 650 hours, 543 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/O2GA2015030282001

## Discrepancy

DEPARTED, SHORTLY AFTER LEVELING OFF AT FL 250, HYD FLUID LOW, CAUTION ANNUNCIATOR ILLUMINATED.  FOLLOWED CHECKLIST & CONTINUED TO DESTINATION.  DURING NEXT SEVERAL MINUTES CREW HEARD GEAR PUMP MOTOR CYCLING FOLLOWED BY LG RELAY CB EXTENDED.  DURING APPROACH LG WOULD NOT EXTEND.  AN EMER WAS DECLARED & A MANUAL LG EXTENSION WAS PERFORMED IAW CHECKLIST.  CONFIRMED 3 GREEN LG INDICATION.  LANDING WAS UNEVENTFUL.  MX TROUBLE SHOT THE DISCREPANCY TO A DEFECTIVE LG EXTENSION & RETRACTION ACCUMULATOR.  GEAR ACCUMULATOR WAS REPLACED & ACFT WAS RETURNED TO SERVICE.

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