# SDR QXEA0002042

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2000
- Submitted: August 7, 2000
- Operation: Air carrier
- Aircraft: N491US
- Make and model: Fokker F.28 MK4000
- Registry model: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Aircraft serial: 11156
- Aircraft time: 36,715 hours, 46,115 cycles
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Actuator
- Condition: Misinstalled
- Location: Aileron
- Stage of operation: IN
- How discovered: V
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA0002042

## Discrepancy

PDX- UNABLE TO INSTALL STEEL WASHER BETWEEN OUTBOARD SIDE OF BEARING IN THE AILERON ACTUATOR HOUSING AND AILERON HINGE BRACKET DUE TO INSUFFICIANT CLEARANCE.  REPAIRED IAW HORIZON AIR EA 4-27-111.

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