# SDR SIMA200807905

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2008
- Submitted: March 19, 2008
- Operation: Air carrier
- Aircraft: [N616AE](https://openairdocs.org/aircraft/N616AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145092
- Aircraft time: 20,627 hours, 20,401 cycles
- System (JASC): [7110 · Engine Cowling System](https://openairdocs.org/jasc/7110)
- Part: Cowling
- Condition: Open
- Location: Nr 1 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200807905

## Discrepancy

ON FLIGHT 4154, CREW REPORTED ENGINE VIBRATION IN CRUISE FLIGHT.  PASSENGER REPORTED HEARING A LOUD BOOM NOISE FROM THE ENGINE IN FLIGHT.  UPON LANDING IN ORD, THE TOWER REPORTED THAT EAGLE SHOULD CHECK THE NR 1 ENGINE DUE TO OBVIOUS DAMAGE AS SEEN DURING TAXI IN TO ORD.  UPON POST-FLT INSPECTION, IT WAS DISCOVERED THAT THE NR 1 ENGINE COWL HAD OPENED IN FLIGHT AND PARTS HAD SEPARATED THE AIRCRAFT AND DAMAGE TO THE ENGINE HAD OCCURRED.

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