# SDR 4DPA2025042600001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2025
- Submitted: April 29, 2025
- Operation: Air carrier
- Aircraft: [N915JX](https://openairdocs.org/aircraft/N915JX), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145603
- Aircraft time: 42,137 hours, 33,208 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Data Unit
- Part number: 7013348949
- Part serial: 00063492
- Condition: Failed
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4DPA2025042600001

## Discrepancy

CREW REPORTED- PACK 1 VLV FAIL DURING CLIMB AT 8000 FT.  RECYCLED SEVERAL TIMES AND FINALLY RECOVERED BRIEFLY BUT CONTINUED TO FAIL.  DUE TO MEL ON PACK 2, UNABLE TO PRESSURIZE. CORR ACTION- MX REMOVED DAU 1 PN: 7013348-949 SN: 00063492. INSTALLED SERVICEABLE DAU 1 PN: 7013348-949 SN: 00063494. PERFORMED OPS CHECK AND FUNCTIONAL TEST FLIGHT FOR PACK 1 AND 2. OPS CHECK GOOD. NO DEFECTS NOTED AT THIS TIME

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.