# SDR UIEA2026091100866

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2026
- Submitted: September 11, 2026
- Operation: Air carrier
- Aircraft: [N438GT](https://openairdocs.org/aircraft/N438GT), registered now
- Make and model: Boeing 747409F
- Aircraft serial: 30766
- Aircraft time: 97,028 hours, 17,686 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Debonded
- Location: Zone 500
- 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/UIEA2026091100866

## Discrepancy

DEBONDED SKIN, LT WING INBD AILERON EXTERNAL LWR SKIN.   REMOVED THE DISBONDED MATERIAL & CLEANED THE AREA. MEASURED THE DAMAGED AREA (L= 3", W= 1", 2" & FROM T/E, 28" FROM THE OTBD EDGE LWR SKIN, WITHOUT CORE DAMAGE).  BONDED THE REPAIR PLIES WITH RESIN, CURED AT 150 F FOR 180 MINUTES WITH MINIMUM VACUUM OF 22 INHG IAW SRM 57-60-01-2R-1 REV 107 & SRM 51-70-06-0G-0, REV 107.  CONDITION CHKD SATISFACTORY.

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