Service difficulty report · Trim Motor · Doug DC1030

Difficulty date
February 14, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N83071
Make and model
Doug DC1030
Aircraft serial
48293
Part
Trim Motor
Part number
418575
Condition
Cracked
Location
Horz Stab
Part time
72,972 hours
Stage of operation
CR
Nature of condition
K, J
Precautionary procedure
O

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

What was found

THE HYDRAULIC SYSTEM 3 ELEVATOR OFF LIGHT ILLUMINATED WHILE EN ROUTE TO EWR. APPROPRIATE CHECKLISTS WERE FOLLOWED AND BOTH PUMPS WERE SHUTOFF. THE HYDRAULIC FLUID DEPLETED TO ZERO VERY SLOWLY AND THE AIRCRAFT LANDED AT EWR WITHOUT INCIDENT. MAINTENANCE FOUND THE HORIZONTAL STABILIZER TRIM MOTOR HOUSING CRACKED. THE STAB TRIM MOTOR WAS REMOVED AND REPLACED IAW MM 29-00. SYSTEM OPERATIONAL AND LEAK CHECKS WERE GOOD.

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