# SDR HNAA2020052900160

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2020
- Submitted: May 29, 2020
- Operation: Air carrier
- Aircraft: [N672AE](https://openairdocs.org/aircraft/N672AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145794
- Aircraft time: 36,902 hours, 33,849 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Condition: Seized
- Location: Ac Bay
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2020052900160

## Discrepancy

SMOKE IN COCKPIT IN FLIGHT, WENT AWAY WHEN PACKS, GASPERS AND RECIRC'S WERE SELECTED OFF.  FOUND NR 2 ACM FROZEN UP.  R & R ACM IAW MM 21-51-03.  OPERATIONS LEAK CHECKED GOOD.  OK FOR SERVICE 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.