# SDR C2XA04TY042

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2004
- Submitted: March 4, 2004
- Operation: Air carrier
- Aircraft: N19554
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145587
- Aircraft time: 4,227 hours, 3,388 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Stiffener
- Part number: 14528650403
- Condition: Cracked
- Location: Apu Bay
- 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/C2XA04TY042

## Discrepancy

TYS  DURING A SCHEDULED 1C INSPECTION THE RT UPPER STIFFENER ON THE APU FIREWALL WAS FOUND CRACKED.  MAINT FABBED A DOUBLER AND STOPPED DRILL CRACK.  INSTALL DOUBLER AT RT UPPER STIFFENER ON THE APU FIREWALL IAW EMB 135/145 SRM 55-32-13.  ALL WORK WAS ACCOMPLISHED AND WILL BE RELEASED UPON COMPLETION OF ALL WORK.

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