# SDR SIMA201904021004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2019
- Submitted: April 9, 2019
- Operation: Air carrier
- Aircraft: [N239NN](https://openairdocs.org/aircraft/N239NN), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000586
- Aircraft time: 7,122 hours, 4,763 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Heat Exchanger
- Condition: Dirty
- Location: Nr 2 Acm
- Stage of operation: CL
- How discovered: O
- Nature of condition: C, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201904021004

## Discrepancy

LIGHT BURN SMELL AFTER TAKE OFF, MADE FA2 EYES WATERING AND DISSIPATED QUICKLY. SMELL CAME BACK ON GROUND AFTER WE STARTED THE APU.-C/A-DEFFERED PACK 2 DUE TO COKED ACM PER MEL 21-44 AUTH# 040005D-C. FOUND PACK 2 HEAT EXCHANGER COKED WITH COFFEE/SODA PERFORMED DUAL HEAT EXCHANGER CLEANING IAW EO # EJ-2100-006 WORK CARD, PERFORMED OPERATIONAL TEST IAW AMM  21-51-00-710-801-A  OPS CHECK GOOD  MEL  RESTORED

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