# SDR UIEA2025050600588

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2025
- Submitted: May 16, 2025
- Operation: Air carrier
- Aircraft: [N409MC](https://openairdocs.org/aircraft/N409MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 30558
- Aircraft time: 102,016 hours, 16,289 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Support Fitting
- Condition: Gouged
- 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/UIEA2025050600588

## Discrepancy

LH BLG INBOARD TRUNNION VERTICAL SUPPORT FITTING I/B AND O/B SIDE FACE FOUND GOUGE MARK.  LH BLG INBOARD TRUNNION VERTICAL SUPPORT FITTING I/B AND O/B SIDE FACE MACHINED AS PER B747-400F SRM 53-40-90 REPAIR 1 REV. 103 AND FOUND WITHIN WORK LIMIT. FOR DETAILS REFER TO EO 4453C541_CS. NO FURTHER DEFECTS NOTED.

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