# SDR UIEA2026013000021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2026
- Submitted: February 9, 2026
- Operation: Air carrier
- Aircraft: [N439GT](https://openairdocs.org/aircraft/N439GT), registered now
- Make and model: Boeing 747409F
- Aircraft serial: 30767
- Aircraft time: 99,231 hours, 18,065 cycles
- System (JASC): [5343 · Fuselage, Landing Gear Attach Fittings](https://openairdocs.org/jasc/5343)
- Part: Trunnion
- Condition: Corroded
- Location: Zone 700
- 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/UIEA2026013000021

## Discrepancy

LEFT BODY GEAR INBOARD TRUNNION, AIRCRAFT SIDE HAS CORROSION.  BLENDED AREA ON LT BODY GEAR INBD TRUNNION.  PERFORMED NDT AND DVI INSP. NO DEFECTS NOTED.  ACCOMPLISHED FLAP PEEN, APPLIED TREATMENT, PRIMER & TOPCOAT IAW SRM 53-40-90-2R-1, REP 1, PAGE 7. COMPLYED WITH MESSAGE EAC-TLS-26-0001-08C. FOUND STRUCTURALLY ACCEPTABLE. CAT C REPAIR WITH REINSPECT EVERY 200 FC AND PERMANENT REPAIR AT 2000 FC OR 24 MONTHS (WHICH EVER COMES FIRST).  NO FURTHER DEFECTS NOTED.

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