# SDR ASOA20121010091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2012
- Submitted: October 12, 2012
- Operation: Air carrier
- Aircraft: [N12540](https://openairdocs.org/aircraft/N12540), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145537
- Aircraft time: 26,433 hours, 20,237 cycles
- Engine: Rroyce AE3007A1P
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Fmu
- Part number: 23076368
- Part serial: BAE10688
- Condition: Faulty
- Location: Right Engine
- Part time: 23,426 hours, 20,874 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA20121010091

## Discrepancy

CREW REPORTED ENGINE NR 2 STARTED SURGING (ERRATIC ACCEL & DECEL) ON DESCENT BETWEEN FL 260& FL250 N1 SPIKE 45-65 ITT SPIKE BETWEEN 400-600.  MX R & R ENGINE NR 2 FPMU WITH OPS AND LEAK CHECKS SUCCESSFUL. ACFT WAS APPROVED FOR RETURN TO SERVICE.

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