# SDR ASOA11IA007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2011
- Submitted: December 10, 2011
- Operation: Air carrier
- Aircraft: N11137
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 145721
- Aircraft time: 24,637 hours, 13,334 cycles
- Engine: Allsn AE3007A
- Engine time: 17,487 hours, 9,765 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Nr 1
- Part time: 17,487 hours
- Stage of operation: TO
- How discovered: O
- Nature of condition: Y, J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA11IA007

## Discrepancy

DURING TAKEOFF, THE CREW HEARD A LOUD BOOM FOLLOWED BY THE LOSS OF TEMP INDICATION ON THE NR1 ENGINE. THE TAKEOFF WAS ABORTED AND THE ACFT RETURNED TO THE GATE WITHOUT INCIDENT.  ON INSPECTION NR 1 ENGINE TURBINE WAS FOUND TO BE DAMAGED. SUP: R & R THE NR  ENGINE, OPS AND LEAK CHECKED WITH NO DEFECTS, AND AIRCRAFT APPROVED FOR RETURN TO SERVICE.

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