# SDR CHQA20131216453

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2013
- Submitted: December 20, 2013
- Operation: Air carrier
- Aircraft: N259JQ
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145763
- Aircraft time: 25,110 hours, 22,582 cycles
- Engine: Rroyce AE3007A1P
- Engine time: 24,213 hours, 20,914 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Tube
- Part number: 14520504423
- Condition: Damaged
- Location: Cabin Pressure
- Stage of operation: CR
- 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/CHQA20131216453

## Discrepancy

THE AUTO PRESSURIZATION FUNCTION WAS ERRATIC WHILE THE MANUAL PRESSURIZATION FUNCTION WAS ALREADY DEFERRED. THE CREW RETURNED TO FIELD & LANDED WITHOUT INCIDENT.  MX REPLACED THE TUBING FROM THE PRESS CHECK VLVS TO THE VACUUM VENTURI.  OPERATIONS CHECKED GOOD WITH NO FURTHER DEFECTS NOTED.

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