# SDR SIMA20151130008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2015
- Submitted: January 4, 2016
- 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: 28,415 hours, 24,539 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- 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/SIMA20151130008

## Discrepancy

RIGHT UPPER AFT FUSELAGE SKIN HAS 2 CRACKS.  CRACK 1 IS JUST AFT OF FRAME 75 & ABOVE STRINGER 2R, APPROX 1/4" LONG.  CRACK 2 IS ON FRAME 75 AT THE FIRST FASTENER ABOVE STRINGER 2R, APPROX 3/8" LONG.  EASI 8071 USED, 100-500 KHZ PROBE, FREQ=400 KHZ, V-GAIN=77.0, H-GAIN=64.0, LPF=100.  PERFORMED REPAIR OF RT UPPER AFT FUSELAGE SKIN IAW ERS-EM-53MR-1831.  SEE TURNOVER FOR FURTHER DETAILS.

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