# SDR HNAA2019032800081

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2019
- Submitted: March 28, 2019
- Operation: Air carrier
- Aircraft: [N637AE](https://openairdocs.org/aircraft/N637AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145170
- Aircraft time: 44,106 hours, 40,812 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Stage of operation: CR
- 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/HNAA2019032800081

## Discrepancy

PDIS  637   05-50  2016111  27MAR19  BTV  CLOSE ELECTRICAL BURNING FUME DETECTED IN CRUISE FLT. SMELL OCCURRED TWICE THEN DISSIPATED AND DID NOT RETURN. HISTORY: YES FACT  27MAR19  13:23  BTV OPERATED BOTH BLEED SYSTEMS AND PACKS INDEPENDENTLY NO ODORS DETECTED. OPS CHECK W/S HEAT AND ALL ELEMENTS ON W/S, NO ODORES DETECTED. OPS CHECK ALL AVIONIC AND ALL FLASLIGHTS WITH NO BURN ODOR DETECTED. INSP. W/S HEAT FUSE, NO DEFECTS FOUND. OK FOR SERVICE AT THIS TIME.

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