# SDR R61A202002190193

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2020
- Submitted: February 19, 2020
- Operation: Air carrier
- Aircraft: [N230JQ](https://openairdocs.org/aircraft/N230JQ), 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: 17000221
- Aircraft time: 31,782 hours, 19,799 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Part number: 170236501404
- Condition: Corroded
- Location: Frames 21-22
- 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/R61A202002190193

## Discrepancy

WHILE IN HEAVY CHECK FOUND FORWARD CARGO, CORRODED FASTENERS BETWEEN FR21-FR22, STGR28R- 27R. REMOVED CORROSION ON THE DOUBLER BY BLENDING. MAX. MATERIAL REMOVED WAS 0.003" FROM AN ORIGINAL OF 0.050". THERE ARE NO LIMITS AVAILABLE ON THE DOUBLER. REF SRM 51-10-03.  PART WAS REMOVED AND REPLACE REF SRM 51-23-08. RESTORED ORIGINAL FINISH REF SRM 51-23-04, 51-23-05 AND 51-23-06.

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