Service difficulty report · Bypass Valve · Boeing 767424ER

Difficulty date
June 15, 2019
Submitted
June 17, 2019
Operation
Air carrier
Aircraft
N59053
Make and model
Boeing 767424ER
Aircraft serial
29448
Aircraft time
81,048 hours, 11,375 cycles
Part
Bypass Valve
Part number
V652
Condition
Inoperative
Location
Mlg
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

GEAR DISAGREE ON TAKEOFF PERFORMED FIM TASK 32-61-00-815 -827-001 FOR DISPLAYED STATUS MS G LDG GEAR MONITOR, FROM SHEET 1 (BLOCK 1) TO SHEET 2 (BLOCK 2), RECORDED FAULT CODES 260 AND 264. ADD FAULT: 32-90-24-00 PERFORMED CHECKS OF SYS 2 LATCH LOCK S260,S264 SENSOR VALUES FRO M REAR PSEU CONNECTOR D2166E AND COMPARED TO SYS 1 LATCH LOCK SE NSOR VALUES ARE GOOD. T/S USED WDM 32-61-11 AND SSM 32-61-01. CALL TOMC PRIOR TO SIGNING OFF THIS LOG PAGE. OKAY TO UNLOCK PERFORMED GEAR SWING AND FOUND NO FAULTS. REPLACED MAIN GEAR BY PASS /CONTROL VALVE V652 SEE L/P 3498413, CHECKED NOSE GEAR STEE RING CHECK VALVE AND RESTRICTOR SEE L/P 3499930. SINCE PSEU SHO WED CARD FAILURE 1,5,6, & 7. REMOVED AND REPLACED PSEU SEE L/P 3496924.CHECKED GOOD ON GEAR SWING AFTER ALL L/P WERE COMPLETED.