# SDR UPS07449282

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2007
- Submitted: March 2, 2007
- Operation: Air carrier
- Aircraft: N672UP
- Make and model: Boeing 747123
- Aircraft serial: 20324
- System (JASC): [3242 · Brake](https://openairdocs.org/jasc/3242)
- Part: Brake
- Condition: Stiff
- Location: Mlg
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS07449282

## Discrepancy

BTB - APPLIED MAX BRAKING EFFORT AT 15 KNOTS GROUND SPEED.  A/C CAME TO A SLOW GENTLE STOP.  BRAKE PEDAL TRAVEL AND RESISTANCE IS INCONSISTANT WITH NORMAL BRAKING FEEL.  T/S HYD BRAKE SYS IAW MM 32-41-00.  CLEANED AND LUBED CABLE QUADRANTS.  OPS CHECK NORMAL.  A/C HAS NORMAL RESPONSE METERING VALVES INSTALLED.

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