# SDR QMLA2015090415082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2015
- Submitted: September 9, 2015
- Operation: Air carrier
- Aircraft: [N354LL](https://openairdocs.org/aircraft/N354LL), registered now
- Make and model: Agusta AW119MKII
- Registry model: [Agusta AW119MKII](https://openairdocs.org/model/agustawestland-philadelphia-aw119mkii) (OpenAirDocs)
- Aircraft serial: 14822
- Aircraft time: 573 hours, 1,791 cycles
- Engine: Pwa PT6B37A
- System (JASC): [6720 · Tail Rotor Control System](https://openairdocs.org/jasc/6720)
- Part: Bearing
- Part number: 109013005117
- Part serial: MOR4337
- Condition: Cracked
- Location: Tail Rotor
- Part time: 1,791 hours
- 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/QMLA2015090415082

## Discrepancy

DURING A0521 NT, 100 HR TAIL ROTOR INSPECTION, WAS REMOVING THE TAIL ROTOR CROSS HEAD ASSEMBLY & FOUND THE BLADE END PC LINK BEARING CRACKED WITH A CHUNK MISSING FROM THE FLANGE AREA OF THE BEARING, THE SPHERICAL SURFACE WAS INTACT.  R & R PC LINK.  EXCESSIVE TORQUE WAS NOT NOTED AT REMOVAL.

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