# SDR 4DPA2023120800001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2023
- Submitted: December 11, 2023
- Operation: Air carrier
- Aircraft: [N949JX](https://openairdocs.org/aircraft/N949JX), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145639
- Aircraft time: 42,130 hours, 33,131 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4DPA2023120800001

## Discrepancy

CREW REPORTED AFTER ROTATION, CREW NOTICED THERE WAS DIFFERENTIAL PRESSURE READOUT. ONLY DASHES ARE DISPLAYED. CABIN ALTITUDE DID NOT EXCEED 1000FT. RETURNED TO DAL. CORR ACTION- MX RESET CPAM CB. DIFFERENTIAL PRESSURE INDICATION RETURNED TO NORMAL. PERFORMED PRESSURIZATION TEST WITH APU. OPS CHECK GOOD. NO INDICATION ISSUES FOUND.

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