# SDR UALA2010021100521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2010
- Submitted: February 15, 2010
- Operation: Air carrier
- Aircraft: [N647UA](https://openairdocs.org/aircraft/N647UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25284
- Aircraft time: 77,065 hours, 12,523 cycles
- Engine: Pwa PW4060
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Bearing
- Condition: Worn
- Location: Ailerons
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010021100521

## Discrepancy

CREW REPORTS ON FLT CONTROL CHECK FOR AILERON, THE CONTROL WHEELS (CAPTS AND FO'S) FEEL AN UNUSUAL HARD SPOT AT ABOUT THREE-QUARTERS TRAVEL LT WING DOWN.  LT AIL LCCA UPR & LWR TORQUE TUBE SUPPORT BEARINGS (3EA) FOUND WORN & CORRODED AT LWR LINK ARM FOR FEEL, CENTERING & TRIM MECHANISM INPUT ROD ATTACH.  REPLACED TORQUE TUBE WITH NEW ASSY.  VERIFIED ADJUSTMENT THEN OPS CKD.  NO RIGGING DISTURBED AND NO BINDING PRESENT.

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