# SDR JBGA200600002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2006
- Submitted: January 17, 2006
- Operation: Air carrier
- Aircraft: N560AN
- Make and model: Lear 60LEAR
- Aircraft serial: 138
- Aircraft time: 5,639 hours, 4,177 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Control Unit
- Part number: 64024918
- Part serial: 640249B
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/JBGA200600002

## Discrepancy

A/C WAS IN CRUISE AT 410 AND RECEIVED PRESSURIZATION EMERGENCY WARNING LIGHT, DESCENDED TO 330 AND WENT THROUGH EMERGENCY CHECK LIST.  LEFT SIDE BLEED AIR WAS DEACTIVATED, SYSTEM RETURNED TO NORMAL.  A/C LANDED SAFELY.  REPAIRED AND RETURNED TO SERVICE.  REPLACED LEFT MIXING VALVE CONTROL BOX P/N 5418553-18.

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