# SDR HNAA2025070300464

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2025
- Submitted: July 3, 2025
- Operation: Air carrier
- Aircraft: [N669MB](https://openairdocs.org/aircraft/N669MB), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145788
- Aircraft time: 46,476 hours, 43,547 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Odor
- Location: Nr 1
- Stage of operation: TX
- 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/HNAA2025070300464

## Discrepancy

MELTING PLASTIC SMELL IN FLIGHT DECK.    AIR CONDITIONING PACKS NOTE: FOUND TO BE PACK 1 ACM.   INSPECTED #100 ACM AND PACK SYSTEMS, RAN PACK 1 FOR 30 MINUTES COULD NOT DUPLICATE. THIS CLEARS MEL 21-15-2.

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