# SDR R61A202002140179

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2020
- Submitted: February 14, 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): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Gusset
- Part number: 17060259001
- Condition: Corroded
- Location: Frame 90
- 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/R61A202002140179

## Discrepancy

WHILE IN HEAVY CHECK FOUND CORROSION - RH OUTBD GUSSET CORRODED AS MARKED FR 90 REMOVED CORROSION BY BLENDING ON THE R/H O/B GUSSET AT FRAME 90. BLENDED AREA IS 4.0" X 6.0" X .025" NOMINAL THICKNESS IS .040". THIS IS OUT OF LIMITS. REF SRM 51-75-16. REMOVED RH OUTBD GUSSET FR 90 REF EMB SRM 51-40-08. REPLACED RH OUTBD GUSSET FR 90 REF EMB SRM 51-40-08

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