# SDR 2001UALA00633

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2001
- Submitted: May 30, 2001
- Operation: Air carrier
- Aircraft: [N304UA](https://openairdocs.org/aircraft/N304UA), registered now
- Make and model: Boeing 737322
- Aircraft serial: 23665
- Aircraft time: 42,267 hours, 24,732 cycles
- Engine: Ge CFM56*
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Control Rod
- Part number: 69372906
- Condition: Chafed
- Location: Rudder
- 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/2001UALA00633

## Discrepancy

RUDDER POWER CONTROL UNIT CONTROL ROD AFT END OUTBOARD SIDE CHAFED, WORN AND KINKED.  *S/D*  CONTROL ROD REPLACED WITH SERVICEABLE CONTROL ROD.   OFF UNIT SCRAPPED PER BOEING SERVICE LETTER 737-SL-27-098 WHICH WAS WRITTEN TO ADDRESS THIS ISSUE IN APRIL 1995.  HEAVY MAINTENANCE JOB INSTRUCTION CARDS ARE IN PLACE TO INSPECT RODS FOR SIDE CHAFING, AND DISPOSITION BASED ON FINDINGS.

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