# SDR SIMA20150128013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2015
- Submitted: March 5, 2015
- Operation: Air carrier
- Aircraft: [N856AE](https://openairdocs.org/aircraft/N856AE), registered now
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145748
- Aircraft time: 27,753 hours, 24,761 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Firewall
- 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/SIMA20150128013

## Discrepancy

APU FIRE WALL IS CRACKED AT THE LOWER LT MOUNT AREA, THE UPPER LT MOUNT & THE LOWER RT MOUNT AREA.  3 CRACKS TOTAL APPROX 4.5 INCHES IN LENGTH.  COMPLIED WITH PART B & C OF EO EM-53AD--1883 R4.

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