# SDR SIMA202006109001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2020
- Submitted: June 10, 2020
- Operation: Air carrier
- Aircraft: [N932AE](https://openairdocs.org/aircraft/N932AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500915
- Aircraft time: 37,065 hours, 31,494 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Muffler
- Condition: Disconnected
- Location: Recirc Fan
- Stage of operation: UK
- 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/SIMA202006109001

## Discrepancy

FO FELT LOUD SLAMMING NOISE HEARD THRU CABIN, FA REPORTS SMOKE IN CABIN AND OVERHEATING ELEC SMELL, 2 MINS LATER GEN 3 FAIL, GEN2-3 OFF BUS AUTOPILOT FAIL. T/S PERFORMED PER TECH SUPPORT WORKSCOPE AND AML 4602372/2 FOR INSPECTION FINDINGS AND RESECURRING OF BLOWN DUCT. NO FURTHER DEFECTS OR SMOKE NOTED AT THIS TIME, A/C OK FOR SERVICE. PERFORMED CMC DOWNLOAD IAW CMC DOWNLOAD W/C 45-900-00. C/W FIM TASK 21-20-00-810-801-A AS PER WORK SCOPE. OPS CHECK GOOD FOR ALL GENERATORS IAW AMM 24-31-00. PERFORMED GVI OF LT & RT RELAY PANELS AS REQUESTED IN WORK SCOPE NO DEFECTS NOTED. C/W GVI OF LT & RT ELECTRICAL DISTRIBUTION BOXES NO DEFECTS NOTED. WHEN NR 1 PACK OPERATED, FOUND VAPOR IN CABIN FROM NR 1 RECIRC FAN MUFFLER BEING DISCONNECTED. RESECURED MUFFLER IAW AMM 21-20-03. NO LEAKS NOTED.

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