# SDR C77A2020031800012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2018
- Submitted: March 18, 2020
- Operation: Air carrier
- Aircraft: [N602CZ](https://openairdocs.org/aircraft/N602CZ), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000171
- Aircraft time: 31,118 hours, 18,662 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Firewall
- Part number: 17050111003
- Condition: Damaged
- 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/C77A2020031800012

## Discrepancy

DURING BASIC CHECK AT EAMS, INSPECTION DISCOVERED FIRE LOOP CLAMP RIVET HOLES ELONGATED IN THE APU COMPARTMENT IN THE REAR FUSELAGE (REF ETD2018-170-133016, FIGURE 1). EAMS REQUESTED AND RECEIVED A PERMANENT REPAIR IN THE FORM OF ETD2018-170-133016 WHICH PROVIDES A PERMANENT REPAIR BY CUT OUT AND DOUBLER INSTALLATION. COMPASS ENGINEERING HAS CLASSIFIED THIS AS A MINOR REPAIR. WORK ORDER 2450172471

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