# SDR SIMA202008242002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2020
- Submitted: August 24, 2020
- Operation: Air carrier
- Aircraft: [N689EC](https://openairdocs.org/aircraft/N689EC), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500853
- Aircraft time: 38,115 hours, 33,329 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Skin
- Condition: Cracked
- Location: Frame 75
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA202008242002

## Discrepancy

LH UPPER AFT FUSELAGE SKIN CRACKED JUST AFT OF FRAME 75 AND ABOVE STRINGER 2L, CRACK IS APPROX. 3/8? LONG ENDS ARE MARKED.-C/A-FABRICATED AND INSTALLED A REPAIR DOUBLER, FILLER, REPAIR ANGLE AND SHIM IAW EMB 145 SRM 53-31-01. MATERIALS USED: REPAIR DOUBLER ? ALCLAD 2024 ? T3 (0.080), REPAIR FILLER ? ALCLAD 2024 T3 (0.063), REPAIR ANGLE ? ALCLAD 2024 T3 (0.050), SOLID SHIM ? ALCLAD 2024 T3 (0.032).

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