# SDR HNAA2021050300166

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2021
- Submitted: May 3, 2021
- Operation: Air carrier
- Aircraft: [N647AE](https://openairdocs.org/aircraft/N647AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145222
- Aircraft time: 47,350 hours, 43,939 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Failed
- Location: Exhaust
- Stage of operation: CL
- 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/HNAA2021050300166

## Discrepancy

DURING CLIMB THROUGH 20,000 FT ELECTRICAL FUMES NOTED IN COCKPIT.  SMELL EVENTUALLY DISSIPATED.  UPON ARRIVAL TO AC NO SMELL NOTED. EXAMINED RH LH PANELS AND FWD AVI BAY. FOUND #2 EXHAUST FAN INOP. R+R FAN IN REF TO AMM 21 26 02. FOUND NO POWER AT INVERTER. R+R RELAY K0040 AND DAMAGED THERMAL SWITCH S0285 IN REF TO AMM 21 26 04. OPS CHECK GOOD. OK FOR SERVICE

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