# SDR ASMF200707015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2007
- Submitted: July 28, 2007
- Operation: Air carrier
- Aircraft: [N838AM](https://openairdocs.org/aircraft/N838AM), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49397
- Aircraft time: 63,291 hours, 30,927 cycles
- Engine: Pwa JT8D*
- System (JASC): [3242 · Brake](https://openairdocs.org/jasc/3242)
- Part: Valve
- Part number: 392492
- Part serial: 3918ABC
- Condition: Failed
- Location: Breakes
- Part time: 7,180 hours, 4,033 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF200707015

## Discrepancy

AIRCRAFT RETURNED TO PLATFORM DURING TAXING, CAPTAIN REPORTED THAT BRAKES SYSTEM FELT JAMMED.  DURING CHECK WAS DETECTED THE BRAKES NR 3 AND 4 JAMMED. TECHNICAL PERSONNEL REPLACED THE RT CONTROL BRAKE VALVE AND BOTH DUAL SERVO VALVES IAW MM 32-42-0 Y 32-43-00, TESTED CORRECT.

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