Service difficulty report · Valve · Doug DC983

Difficulty date
July 25, 2007
Submitted
July 28, 2007
Operation
Air carrier
Aircraft
N838AM
Make and model
Doug DC983
Aircraft serial
49397
Aircraft time
63,291 hours, 30,927 cycles
Engine
Pwa JT8D*
System (JASC)
3242 · Brake
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

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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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