# SDR MTNA20160715003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2016
- Submitted: July 15, 2016
- Operation: Air carrier
- Aircraft: [N820FX](https://openairdocs.org/aircraft/N820FX), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 248
- Aircraft time: 36,020 hours, 32,899 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Stringer Clip
- Part number: SI53572103244
- Condition: Corroded
- Location: Frame 28
- Part time: 36,020 hours, 32,899 cycles
- 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/MTNA20160715003

## Discrepancy

FRAME 28C, STRINGER 17 HAS CORNER BRACKET WITH EXFOLIATION CORROSION.  DAMAGE EXCEEDS MANUFACTURER'S ACCEPTABLE LIMITS.  REPLACED THE STRINGER CLIP IAW SRM 51-21-42. FABRICATED NEW CLIP IAW SRM 53514012-A01.

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