# SDR RAIA2009072100004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2009
- Submitted: July 21, 2009
- Operation: Air carrier
- Aircraft: N834HK
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145269
- Aircraft time: 21,905 hours, 19,315 cycles
- Engine: Rroyce AE3007A1
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: AE3007A1
- Part serial: 310137
- Condition: Malfunctioned
- Location: Nr 2
- Part time: 24,337 hours, 21,342 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: E, B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/RAIA2009072100004

## Discrepancy

DURING FLIGHT, THE CREW REPORTED HEARING A LOUD BANG.  THE N1 REDUCED TO 33 PERCENT AND N2 INCREASED TO 105 PERCENT, ITT INCREASED THROUGH 980 DEGREES.  CREW PERFORMED EMERGENCY SHUTDOWN OF THE NR 2 ENGINE AND DECLARED EMERGENCY WITH NO INCIDENT ON LANDING.  MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE.  OPS CHECK AND LEAK CHECK GOOD.

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