# SDR UIEA2026081000730

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2026
- Submitted: August 12, 2026
- Operation: Air carrier
- Aircraft: [N664GT](https://openairdocs.org/aircraft/N664GT), registered now
- Make and model: Boeing 767-31B
- Registry model: [Boeing 767-31B](https://openairdocs.org/model/boeing-767-31b) (OpenAirDocs)
- Aircraft serial: 26259
- Aircraft time: 114,032 hours, 18,364 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- 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/UIEA2026081000730

## Discrepancy

CORROSION ON LOWER FUSELAGE SKIN AROUND DRAIN VALVE BETWEEN STA.1540 - 1562 AND BETWEEN S-39L AND S-39R.  REMOVED CORROSION L = 5.290" X W = 2.215" AND ACCOMPLISHED PERMANENT CATEGORY A CORROSION DAMAGE BLEND REPAIR ON EXTERNAL SIDE OF FUSELAGE SKIN P/N 146T3241-12 AROUND DRAIN VALVE BETWEEN FS1540 AND FS1562 AND BETWEEN S-39L AND S-39R IAW STE SAA EA# 767-5360-28-B0756 REV I/R DATED JUNE 25, 2026, AND ATLAS AIR EA-6753A316 REV. 0 DATED 11JUL 26. CLASSIFIED AS MAJOR REPAIR, APPROVED 8100-9 ISSUED. NO FURTHER DEFECTS NOTED.

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