# SDR UIEA2025030600209

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2025
- Submitted: March 14, 2025
- Operation: Air carrier
- Aircraft: [N439GT](https://openairdocs.org/aircraft/N439GT), registered now
- Make and model: Boeing 747409F
- Aircraft serial: 30767
- Aircraft time: 95,858 hours, 17,546 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Stiffener
- Part number: 65B0794236
- Condition: Cracked
- 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/UIEA2025030600209

## Discrepancy

DURNG HFEC INSPECTION AT BETWEEN RH STA 320 - 300, WL 130 NOSE WHEEL WELL STIFFENER PER SB 747-53A2465 FOUND CRACK APPROX 1.7" AS MARKED.(<P>STIFFENER REMOVED AND REPLACED AS PER SRM 51-40-02 REV.103 & SB 747-53A2465. NO FURTHER DEFECTS NOTED.</P>)

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