# SDR R61A2026092700288

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2026
- Submitted: September 28, 2026
- Operation: Air carrier
- Aircraft: [N766YX](https://openairdocs.org/aircraft/N766YX), 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: 17000951
- Aircraft time: 6,447 hours, 5,100 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Part number: 17086668403
- Condition: Corroded
- Location: Zone 100
- 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/R61A2026092700288

## Discrepancy

WHILE ACFT WAS IN FOR HVY CK, FOUND EXTERNAL SKIN REPAIR DUE TO DISCREPANCY FOUND AT ATG4 DE-MOD FASE 2 AFT ANTENNA DOUBLER AREA. MX INSTALLED DOUBLER REPAIR TO FIS MIS ALIGNED RIVET ROWS. REPAIRED IAW EMB ETD 2026-170-016306. SEE AAR NRCWC# 4502725-7000-0007.  MAJOR REPAIR.

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