Service difficulty report · Control Servo · Airbus A320232

Difficulty date
November 3, 2024
Submitted
November 6, 2024
Operation
Air carrier
Aircraft
N466UA
Make and model
Airbus A320232
Aircraft serial
1343
Aircraft time
73,796 hours, 30,363 cycles
Part
Control Servo
Part number
C247360012
Part serial
U449
Condition
Faulted
Location
Nlg
Part time
791,543 hours, 736,311 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

ECAM WHEEL N/W STRG FAUL T IN CRUISE FL340 T/S PER TSM REF. 32-51-00-810-826-A, REMOVED AND REPLACED N/W STEERING SERVO CTL PER AMM REF. 32-51-51-000-001-A, FOUND CONNECTOR CLOCKED DIFFERENT. ADDED ROTABLE PARTS CHANGE INFORMATION. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1355076 SN OFF 9100 CONTROL, SERVOC OFF 31-3252-9-0001 9100 ON 31-3252-9-0001 0449 REMOVED NLG ELECTRICAL HARNESS 2M REFER AMM 32-21-43-000-003-A SLAVED REPLACEMENT NLG ELECTRICAL HARNESS 2M USE AMM 32-21-43-400-003-A FOR INSTALLATION NEEDS OP CHECK AND ALL BOLTS STILL NEEDS TO BE TIGHTENED N/W STEERING SERVO CTL OPS CHECK STILL NEEDED REFER AMM 32-51-51-400-001-A PARA SUBTASK D FINISHED INSTLLING NLG 2M HARNESS REF AMM 32-21-43-400-003-A. BITE TESTS OK. PREFORMED STEERING OPC FOR THE NOSE WHEEL STEERING CONTROL 6GC REF AMM 32-51-00-720-003-A. TEST FAILS. NO STEERING MOVEMENT AND WHEEL NW STRG FAULT MESSAGE ON UPPER ECAM. BSCU BITE GIVES MESSAGE STEERING ELECTRO-HYD MODULE 6GC. REQUIRES FURTHER T/S. REMOVED AND REPLACED N/W STEERING SERVO-CONTROL PER AMM REF. 32-51-51-400-001-A, ACCOMPLISHED FUNCTIONAL TEST PER AMM REF. 32-51-00-720-003-A ALL TESTS PASSED, NO FAULTS DISPLAYED ON ECAM, NO LEAKS NOTED. OK FOR SERVICE.PARTS USED: ,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1326947 SN OFF 0449 CONTROL, SERVOC OFF 31-3252-9-0001 0449 ON 31-3252-9-0001 1312

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