# SDR CA970508007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Boeing 747475
- System (JASC): [3242 · Brake](https://openairdocs.org/jasc/3242)
- Part: Input Rod
- Part number: 65B81011
- Condition: Worn
- Location: Nr 3 & N 4 Brake
- Component: Boeing
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA970508007

## Discrepancy

(CAN) DURING BRAKE SYSTEM FUNCTIONAL CHECK GRATING NOISE HEARD WHEN BRAKE PEDALS MOVED. FOUND WEAR ON #3 AND #4 BRAKE CONTROL INPUT RODS, ONE ROD WORN .040". WEARING ON TEFLON WEAR BLOCKS ATTACHED TO FUSELAGE STRUCTURE. RODS REPLACED AND CLEARANCE PROVIDED.

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