# SDR CALA2022022400492

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2022
- Submitted: February 25, 2022
- Operation: Air carrier
- Aircraft: [N36472](https://openairdocs.org/aircraft/N36472), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 31653
- Aircraft time: 28,348 hours, 9,908 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Bearing
- Part number: 161A11311
- Condition: Failed
- Location: Left Main Landin
- Stage of operation: LD
- How discovered: V
- Nature of condition: S, Z
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022022400492

## Discrepancy

LEFT MAIN TIRE ISSUE #2 TIRE WAS REMOVED FROM AIRCRAFT ON TAXIWAY TO RELOCATE A/C TO FOUND OUTER WHEEL BEARING FAILURE. PERFORMED WHEEL BEARING HGR. #2 TIRE PRESSURE WAS 203 PSI BEFORE THE TIRE WAS DEFLATED F FAILURE INSPECTION AS PER AMM TASK 05-51-17-210-801 UP TO AND OR REMOVAL INCLUDING STEP F1. NEED TO CONTINUE FROM STEP G TO COMPLETION. SEEL/P 8052489, 8052474 AND 8052464 FOR # 2 TRANSDUCER, BRAKE AN D TIRE INSTALLATION. COMPLETED WHEEL BEARING FAILURE INSPECTION ON # 2 WHEEL AS PER MM-05-51-17-210-801 PARA 2G. NO ADDITIONAL D EFECTS NOTED

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