# SDR 97UAL900462

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N1857U
- Make and model: Doug DC-10-30
- Registry model: [Doug DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30) (OpenAirDocs)
- Aircraft serial: 46986
- Engine: Ge CF650C2
- System (JASC): [3242 · Brake](https://openairdocs.org/jasc/3242)
- Part: Seal
- Part number: NAS1611123
- Condition: Damaged
- Location: Brake Valve
- Stage of operation: TX
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97UAL900462

## Discrepancy

WHILE TAXIING, AFTER NORMAL LANDING BRAKES LOCKED UP.  AFTER 15 MINUTES BRAKES RELEASED AND AIRCRAFT WAS TOWED TO GATE.  *S/D*  THE AIRCRAFT WAS TOWED WITH THE HYDRAULIC PRESSURE ON.  REPLACED DUAL BRAKE CONTROL VALVE SEAL.  BRAKE OPERATIONS CHECK NORMAL.

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