# SDR HNAA2024012600036

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2024
- Submitted: January 26, 2024
- Operation: Air carrier
- Aircraft: [N656AE](https://openairdocs.org/aircraft/N656AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145740
- Aircraft time: 45,696 hours, 42,327 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Insulation
- Condition: Unsecure
- Location: Nr 1 Pack Area
- 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/HNAA2024012600036

## Discrepancy

IN CRUISE STRONG ELECTRICAL BURNING SMELL IN FLIGHT DECK.   FACT  26JAN24  01:13  TRI RAN PACK SYSTEMS 1 AND 2 USING APU AND ENGINE BLDS, INSPECTED AND OPERATED FLIGHT DECK EQUIPMENT WITH NO SMELLS NOTED. INSPECTED PACKS 1 AND 2 AND UNDERFLOOR DUCTS FOR OBVIOUS DEFECTS, SUSPECT DETERIORATED INSULATION ON PACK 1 PIPE AS CAUSE FOR SMELL AND REMOVED LOOSE INSULATION. NO OTHER OBVIOUS DEFECTS NOTED OK FOR SERVICE.

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