# SDR CA020528008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2002
- Submitted: June 13, 2002
- Operation: Air carrier
- Make and model: Dhav DHC8*
- Engine: Pwc PW150A
- System (JASC): [3246 · Wheel/Ski/Float](https://openairdocs.org/jasc/3246)
- Part: Bearing
- Part number: 29685
- Condition: Collapsed
- Location: Mlg Wheel
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA020528008

## Discrepancy

(CAN) A/C RETURNED TO STAND AFTER 2 REJECTED TAKEOFFS DUE TO ANTI-SKID OUTBOARD WARNING ILLUMINATED.  NOTED SMOKE COMING FROM NR 1 MAINWHEEL HUB. INSPECTION REVEALED LUGS ON INBOARD FACE OF MAINWHEEL SHINNING DUE TO CATCHING & CLIPPING SOMETHING.  A/C JACKED TO REVEAL INNER BEARING COLLAPSED & DISINTERTATED. EXTENSIVE DAMAGE TO WHEEL ASSY, AXLE, BRAKE UNIT & TRANSDUCER DRIVE (HUBCAP). HEAT DAMAGE TO TRANSDUCER & WIRING.  DUE TO SIGNS OF OVERHEATING (BLUEING) & DAMAGE. LT AXLE ASSEMBLY REPLACED. NR 1 MAINWHEEL, BRAKE UNIT, ANTI-SKID TRANSDUCER & WIRING REPLACED. NR 1 MAIN WHEEL REPLACED DUE TO OVERHEATED BEARING. INSP OF NR 3 & 4 MAINWHEELS DUE TO HOT ON 1ST TRANSIT REVEALED OVERHEATED/DAMAGED BEARINGS NR 3 & 4

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