Service difficulty report · Line · Doug DC1030F

Difficulty date
September 15, 2008
Submitted
September 17, 2008
Operation
Air carrier
Aircraft
N314FE
Make and model
Doug DC1030F
Aircraft serial
48312
Aircraft time
50,202 hours, 15,697 cycles
Part
Line
Condition
Leaking
Location
Hyd System
Part time
19,854 hours, 6,546 cycles
Component
Cylinder
Component part number
AYG72195001
Stage of operation
DE
How discovered
O
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

CENTER GEAR FAILED TO EXTEND WITH GEAR HANDLE. RAN CHECK LIST, CENTER GEAR EXTENDED WHEN THE CENTER GEAR ALTERNATE EXTENSION HANDLE WAS PULLED. ON LANDING ROLLOUT HYD QUE ILLUMINATED, HYD SYS 3 ELEV ILLUMINATED. FOUND HYD LINE TO CENTER GEAR UNLOCK CYLINDER LEAKING, AND UPPER LOCK LINK LUGS FOR UNLOCK CYLINDER ROD DAMAGED. REPLACED LEAKING UNLOCK CYLINDER HYD LINE, UPPER LOCK LINK, AND UNLOCK CYLINDER AND TESTED CENTER GEAR PER M/M 32-38-02-2, 32-16-01-4, AND 32-10-01-5. CENTER GEAR OPERATION TESTED NORMAL. NR 3 HYD RESERVOIR SERVICED TO 7.5 GAL. CENTER GEAR STRUT SERVICED PER STRUT SERVICE PLACARD.

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