# SDR SIMA20140629002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2014
- Submitted: July 3, 2014
- Operation: Air carrier
- Aircraft: N858AE
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145754
- Aircraft time: 26,117 hours, 23,061 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Heat Exchanger
- Part number: 200201114
- Part serial: 8166302
- Condition: Failed
- Location: Nr 2
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20140629002

## Discrepancy

PACK 2 VLV CLSD DURING CLIMB BELOW 10,000 FT.  WE RESET IT & IT CAME BACK ON AT 220 FL, IT WAS RESET 6 TIMES DURING DESCENT.  DEFERRED IAW MEL 21-29.
REMOVED AND REPLACED NR 2 DUAL HEAT EXCHANGER IAW EMB 140 AMM 21-51-02 AND OPS CHECKED GOOD.   MEL ITEM 21-29 RESTORED AND CLEARED.

---
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.