# SDR C2XA07SH043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2007
- Submitted: August 8, 2007
- Operation: Air carrier
- Aircraft: N21537
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145523
- Aircraft time: 13,575 hours, 10,697 cycles
- Engine: Allsn AE3007A
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Case
- Part number: 14575001409
- Part serial: NC1271
- Condition: Corroded
- Location: Nr 1 Engine
- 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/C2XA07SH043

## Discrepancy

SHV - DURING C-CHECK MAINTENANCE FOUND NR 1 ENGINE FAN CASE ASSY & ENGINE INLET MOUNTING ATTACHMENT BOLTS HOLES WITH CORROSION.  MAINTENANCE REPAIRED NR 1 ENGINE FAN CASE ASSY & ENGINE INLET ATTACHMENT BOLT HOLES IAW EC5420-01097.  AIRCRAFT WAS APPROVED TO RETURN TO SERVICE.

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