# SDR WRNA200500012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2005
- Submitted: April 28, 2005
- Operation: Air carrier
- Aircraft: N923FT
- Make and model: Boeing 747-2U3B
- Registry model: [Boeing 747-2U3B](https://openairdocs.org/model/boeing-747-2u3b) (OpenAirDocs)
- Aircraft serial: 22769
- Aircraft time: 77,897 hours, 19,179 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Actuator
- Part number: 60130011
- Part serial: 0791308
- Condition: Unserviceable
- Location: Zone 300
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WRNA200500012

## Discrepancy

RUDDER RATIO LIGHT ILLUMINATED WHILE ACCELERATING TO 230KTS IND.  AIRCRAFT RETURNED TO AIRFIELD.  LANDING NORMAL.  REMOVED AND REPLACED LOWER RUDDER LINEAR ACTUATOR IAW 27-21-12.  FUNCTIONAL CHECK SATISFACTORY, AIRCRAFT RETURNED TO SERVICE.

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