# SDR 05020651

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2005
- Submitted: January 21, 2005
- Operation: Air carrier
- Aircraft: N651BR
- Make and model: Cndair CL6002B19
- Aircraft serial: 7426
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Warning Light
- Condition: Activated
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/05020651

## Discrepancy

EVENT SUMMARY STATED GEAR DISAGREE.  REMOVED AND REPLACED MLG PRIORITY VALVE IN REF TO CRJ MM 32-32-15, NO FIX.  FOUND AIR IN NR 3 HYD SYSTEM, DRAINED AIR AND SERVICED HYD SYSTEM IAW CRJ AMM 12-12-29.  CREW WROTE THE FOLLOWING, LEFT GEAR UP DISAGREE ON RETRACTION, CLEARED ITSELF IN 1 MINUTE, HYD PUMP 3 WAS 2300 LBS.  D/L CODES FROM PSEU AND A HARD FAIL WAS DISCOVERED ON LT MLG CODES WAS LEFT GEAR UPLOCK FAR.  DID NOT HAVE A CHANCE TO DO GEAR SWINGS BUT BELIEVED GEAR WAS SLOW TO COME UP.  FOUND NR 3 ACCUMULATOR LOW, SERVICED NR 3 ACCUMULATOR IAW CRJ AMM 12-12-29 D/L LOADED CODES FROM PSEU AND RESET PSEU.  GEAR SWINGS OP CHECK GOOD.  MLG SELECTOR VALVE, NO LEAK NOTED.

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