# SDR UIEA2021060901306

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2021
- Submitted: June 14, 2021
- Operation: Air carrier
- Aircraft: [N407KZ](https://openairdocs.org/aircraft/N407KZ), registered now
- Make and model: Boeing 747-4KZF
- Registry model: [Boeing 747-4KZF](https://openairdocs.org/model/boeing-747-4kzf) (OpenAirDocs)
- Aircraft serial: 36134
- Aircraft time: 49,073 hours, 9,168 cycles
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Bearing
- Condition: Missing
- Location: Aileron Pulley
- 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/UIEA2021060901306

## Discrepancy

RIGHT WLG WHEEL WELL AILERON CONTROL CABLE AA PULLEY BEARINGS MISSING, HOUSING CORRODED AT WS 364.(<P STYLE="MARGIN: 0IN; MARGIN-BOTTOM: .0001PT;"><SPAN>REMOVED AND REPLACED RH WING / AILERON CONTROL CABLE PULLEY AT WS 364 PER B747-400 AMM 20-11-12-020-801, </SPAN>FUNCTIONAL CHECK GOOD PER B747-400 AMM 27-11-00-825-029.</P>)

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