# SDR UIEA2026031800101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2026
- Submitted: March 25, 2026
- Operation: Air carrier
- Aircraft: [N496MC](https://openairdocs.org/aircraft/N496MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29257
- Aircraft time: 104,584 hours, 17,583 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Web
- Condition: Corroded
- 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/UIEA2026031800101

## Discrepancy

LH WING GEAR W/W CENTER WING REAR SPAR WEB JETTISON PUMP CUTOUT FOUND CORROSION.(<P>LH WING GEAR W/W CENTER WING REAR SPAR WEB JETTISON PUMP CUTOUT WORK ACCOMPLISHED IAW EN 3156-26 REV 0. NO FURTHER DEFECTS NOTED. PN 111U1007-11.</P>)

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