# SDR AALA201707269043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2017
- Submitted: July 27, 2017
- Operation: Air carrier
- Aircraft: [N182UW](https://openairdocs.org/aircraft/N182UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1536
- Aircraft time: 54,742 hours, 20,492 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Controller
- Part number: 759D000002
- Part serial: 1174
- Condition: Faulty
- Location: Ac Bay
- Part time: 36,680 hours, 20,215 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201707269043

## Discrepancy

AIRCRAFT WAS GROUNDED.  EMERGENCY DECLARED.  CLT-TPA FLIGHT DIVERTED TO JAX.  DURING CRUISE AT FL300 WITH NR 1 PACK PLACARDED INOPERATIVE, RECEIVED A NR 2 PACK FAILURE WARNING.  PERFORMED EMERGENCY DESCENT TO FL100.  UNEVENTFUL LANDING.  REMOVED AND REPLACED PACK CONTROLLER PER AMM 21-61-34-400.  OPERATIONAL CHECK GOOD.

---
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.