# SDR UIEA2025042600572

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2025
- Submitted: April 28, 2025
- Operation: Air carrier
- Aircraft: [N451PA](https://openairdocs.org/aircraft/N451PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30809
- Aircraft time: 100,693 hours, 16,872 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Control Unit
- Part number: 427473
- Part serial: 00927
- Condition: Failed
- Location: Zone 700
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2025042600572

## Discrepancy

RIGHT MAIN BODY GEAR TIRE FAILURE ON TAKEOFF FROM HKG.(<P>REMOVED AND REPLACED BRAKE CONTROL UNIT AND R/H BODY GEAR ANTI SKID MODULE. REMOVED AND REPLACED #9 & #10 MAIN WHEEL ASSEMBLIES. PERFORMED THE FOLLOWING CONDITIONAL INSPECTIONS:</P> / <P>SINGLE FLAT / BLOWN TIRE, WHEEL WELL BURST TIRE, PARTS DEPART A/C, HARD / OVERWEIGHT / HIGH DRAG SIDE, LOAD CONDITION. OPS CHECK GOOD. NO FURTHER DEFECTS NOTED.</P> / <P> </P> / <P> </P>)

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