Service difficulty report · Check Valve · Airbus A320214

Difficulty date
August 13, 2022
Submitted
August 17, 2022
Operation
Air carrier
Aircraft
N401AV
Make and model
Airbus A320214
Aircraft serial
4001
Aircraft time
29,437 hours, 28,174 cycles
Engine
Cfmint CFM565B43
Engine time
29,042 hours, 25,960 cycles
Part
Check Valve
Part number
D24157000
Part serial
Y10350
Condition
Unserviceable
Location
7gc - Switch Tog
Part time
29,437 hours, 28,174 cycles
Component
Valve
Component part number
D24157000
Stage of operation
CL
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

PILOT REPORT 13.AUG.2022 WO 16741973=> WHEEL N/W STRG FAULT APPEARED DURING CLIMB WHEEL N/W STRG FAULT APPEARED DURING CLIMB LANDING WEIGTH 65800KGS

ACTIONS TAKEN 13.AUG.2022 WO 16741973=> IAW TSM: 32-51-00-810-826-A STEP A WATER WAS FOUND IN ELECTRICAL CONNECTOR OF THE N/W STEERING SERVO CONTROL (6GC), AND IAW STEP B TROUBLESHOOTING DATA OF THE BSCU SHOWN FAULT CODE 745.

13.AUG.2022 WO 16741973=> IN ACCORDANCE WITH AMM 31-36-00-710-016-A REV 61 THE DOWNLOADING PROCEDURE OF THE PCMCIA WAS PERFORMED

14.AUG.2022 WO 16741973=> IN ACCORDANCE WITH TSM 32-51-00-810-826-A REV.61 REV.DATE 01-AUG-2022 ITEM 4 STEP D (2) THE ELECTRICAL CHECK WAS PERFORMED SATISFACTORY RESULTS, CONTINUE WITH NEXT STEP REPLACE THE 7GC . THE BITE TEST OF THE BSCU WAS PERFORMED I.A.W AMM 32-46-00-740-001-A SHOW MESSAGE FROM BRK PRESS XDCR4 (14GG). TSM 32-42-00-810-804-A STEPS 1 TO 4.B WAS PERFORMED, NEXT STEP (A) REPLACE PRESS XDCR-NORM BRK WHEEL 4 (14GG) REF. AMM 32-42-21-000-001 AND REF. AMM 32-42-21-400-001-A REV.61

14.AUG.2022 WO 16741973=> IAW TSM 32-51-00-810-826-A STEP A. (1) A 2 REV 61- OF 01/AUG/2022 THE ELECTRICAL CONNECTOR OF THE N/W STEERING SERVO-CONTROL (6GC) WAS DRYED AND CONNECTED AND IAW AMM: 32-51-00-720-003-A REV 61 OF 01/AUG/2022 FUNCTIONAL TEST OF THE NOSE WHEEL STEERING WITH THE HANDWHEEL WAS PERFORMED AND NO WARNINGS WERE TRIGGERED.

14.AUG.2022 WO 16741973=> IN ACCORDANCE WITH AMM 32-51-23-000/400-001-A REV 61 01-AUG-2022, THE SELECTOR VALVE AND MANIFOLD-ASSEMBLY (7GC) WAS REMOVED AND REPLACED, FUNCTIONAL TEST SATISFACTORY.

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