# SDR 2026FA0000031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2026
- Submitted: January 18, 2026
- Operation: General aviation
- Aircraft: N407EG
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 27377
- Aircraft time: 106,054 hours, 15,769 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Part number: 3715300C4203201
- 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/2026FA0000031

## Discrepancy

DURING INSTALLATION OF DOUBLER PER DWG 371-53-11-C3164, CORROSION WAS DETECTED ON THE OUTER FLANGE OF FRAME BS 390 BETWEEN STR 19R AND 20R.

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