# SDR SIMA20210818002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2021
- Submitted: August 19, 2021
- 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: 12,821 hours, 8,366 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Heat Exchanger
- Condition: Dirty
- Location: Nr 2 A/C Pack
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20210818002

## Discrepancy

REF MEL 21-44 AUTH# 080418D-C LGPG 4760551 ITEM 1. COFFEE SMELL FROM PACK #2 FOUND.-C/A-COFFEE SMELL FROM PACK #2 FOUND. PERFORMED HEAT EXCHANGER CLEANING IAW EO EJ-2100-006. OPC GOOD. NO FUTHER DEFECTS NOTED. MEL RESTORED.

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