Service difficulty report · Bearing · Boeing 7372T4

Difficulty date
October 17, 2011
Submitted
November 30, 2011
Operation
Air carrier
Aircraft
N703S
Make and model
Boeing 7372T4
Aircraft serial
22529
Aircraft time
57,183 hours, 34,538 cycles
Engine
Pwa JT8D17
Part
Bearing
Part number
65451873
Condition
Frozen
Location
Elevator Sys
Part time
57,183 hours, 34,538 cycles
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
K

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

What was found

TUS-CYLW INTO C8 MAINTENANCE CHECK. ON APPROACH AND LANDING INTO CYLW, ELEVATOR CONTROLS STIFF. FOUND ELEVATOR INPUT TORQUE TUBE BEARINGS FROZEN/STIFF TO MOVE. REMOVED TORQUE TUBE ASSY, REPLACED AFFECTED BEARINGS, AND REINSTALLED ASSEMBLY AND RIGGED PER CMM 27-37-07 AND AMM 27-31-71.

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