Service difficulty report · Reducer · Boeing 7472U3B

Difficulty date
January 12, 2002
Submitted
January 15, 2002
Operation
Air carrier
Aircraft
N923FT
Make and model
Boeing 7472U3B
Aircraft serial
22769
Aircraft time
71,600 hours, 17,781 cycles
Part
Reducer
Part number
2670169M6
Part serial
2973
Condition
Cracked
Location
Hydraulic Sys
Stage of operation
TX
How discovered
O
Nature of condition
K, J
Precautionary procedure
K

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

What was found

LOST ALL HYD ON NR 1 HYD SYS AFTER LANDING. FOUND RT TRUCK POSITIONER BYPASS REDUCER FLANGE CRACKED. REMOVED AND REPLACED ASSY PER MM 32-13-16, IPC 32-13-05-02 NR 40. BLED SYSTEM UNTIL NO AIR NOTED.

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