# SDR C2XA08TY127

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2008
- Submitted: October 29, 2008
- Operation: Air carrier
- Aircraft: N13913
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145438
- Engine: Rroyce AE3007A12
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Flange
- Part number: 23078008
- Part serial: 16567
- Condition: Corroded
- Location: Nr 1 Engine
- Part time: 18,649 hours, 14,008 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA08TY127

## Discrepancy

ACFT WAS IN FOR A 3C INSPECTION AND THE NR 1 ENGINE FORWARD BOLT FLANGE WAS FOUND CORRODED.  2 BOLT HOLES AT NR 29 AND NR 45 WERE FOUND IF REPAIRED WOULD RESULT IN BEING BEYOND THE MM LIMITS AND REPAIR OF THE HOLES WOULD RESULT IN A THINWALL CONDITION.  ALL OTHER CORROSION WAS WITHIN LIMITS.  THE BOLT HOLES WERE REPAIRED BY PERFORMING A KEYHOLE REPAIR AND INSTALLING REINFORCEMENT PLATES PER SERVICE BULLETIN AE3007A-72-247.  ALL WORK WAS ACCOMPLISHED IN REFERENCE TO THE SB AND WILL BE RELEASED AT THE END OF THE CHECK.

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