# SDR C2XA09CL163

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2009
- Submitted: December 21, 2009
- Operation: Air carrier
- Aircraft: N14920
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145380
- Aircraft time: 21,183 hours, 16,093 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Firewall
- Part number: 14547494403
- Condition: Cracked
- Location: Fuselage
- 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/C2XA09CL163

## Discrepancy

DURING ROUTINE 3A INSPECTION THE APU FIREWALL HAD MULTIPLE CRACKS AROUND THE LEFT UPPER SUPPORT AREA.  THE FIREWALL WAS REPAIRED IAW SRM 53-32-13, 4 CRACKS TOTAL .53, .52, .68, .73 INCH IN LENGTH.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.