Service difficulty report · Follower · Boeing 7379

Difficulty date
April 3, 2023
Submitted
April 5, 2023
Operation
Air carrier
Aircraft
N37510
Make and model
Boeing 7379
Aircraft serial
43445
Aircraft time
8,123 hours, 2,616 cycles
Part
Follower
Part number
29271130132
Condition
Unknown
Location
Unknown
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

HARD TO TURN L-AC ROLLED R W/O ASSIST NO AP L/R NO CWS L/R AC VE RY HEAVY ON CONTROL INFO MORE DFCS FAULTS NOTED.REPLACED AILERON POS SENSOR ALL FAULT MSGS CLEARED, LAND VERIFY TESTS PASSED. TOMC REQUESTS AILERON CONTROL WHEEL FORCE TEST (22-11-00-700-805). CONTACT TOMC WITH UPDATED AND TO UNLUCK LP. ADD EMP:U393762 ADD FAULT: 22-11145,22-11146,22-11339,22-11340 AMM 27-11-00-700-803. TEST PASSED. PARTS USED: 29-2711-3-0132,QTY :1 PER TOMC PERFORMED AILERON CONTROL WHEEL FORCE TEST AMM PERFOREMED IFIM TASK 27-11-00-810-817. STEP B. 1 MANUAL PER FIM 27-11-00-810-817 REMOVED AND REPLACED CAM FOLLOWER 27-11-00-700-805. TEST FAILED REVERSION CONTROL FRICTION TEST AMM TASK 27-11-00-700-803. TEST BEARING IN REF TO AMM 27-11-81 AND ACOMPLISHED AILERON FEEL AND PASSED. TMOC CONTROLER DID NOT APROVED RESULTS. TOMC REQUESTING CENTERING UNIT ADJUSTMENT IN REF TO AMM 27-11-00-820-805. AILERON CONTROL WHEEL FORCE TEST TO PASS ACCOMPLISHED MANUAL REVERSION CONTROL FRICTION TEST IN REF TO ACCOMPISHED AILERON CONTROL WHEEL FORCE TEST IN REF TO AMM 27-11-00-700-805 AND LAND VERIFY TEST IN REF TO AMM 22-11-00. TESTS PASS AND A/C REMAINS FULL AUTOLAND STATUS. SEE UPDATES FOR ALL WORK COMPLETED.

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