Service difficulty report · Proximity Sensor · Boeing 7572B7

Difficulty date
November 26, 2024
Submitted
November 27, 2024
Operation
Air carrier
Aircraft
N901FD
Make and model
Boeing 7572B7
Aircraft serial
27122
Aircraft time
59,636 hours, 28,331 cycles
Part
Proximity Sensor
Part number
S283T0065
Condition
Loose
Location
Zone 400
Stage of operation
CL
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

R REV ISLN VAL STATUS MESSAGE DURING CLIMB. REVERSER SECURED IN FORWARD THRUST POSITION." MEL: 78-31-01-01 R/H T/R DEACTIVATED PER MEL PROCEDURE. REVERSED MEL DESACTIVATION PROCEDURE FOR TROUBLESHOOTING PERFORMED CLEANING OF THE THRUST REVERSER ISOLATION VALVE PRESSURE SWITCH PLUG PERFORMED USUAL TEST OF RIGHT THRUST REVERSER TEST OK COULD NOT DUCPLICATE FAULT NO FAULT FOUND, PERFORMED T/S PER FIM 78_34_00_815_806_R05 FOUND ON LEFT SLEEVE PROXIMITY SENSOR CLERANCE OUT OF TOLERANCE , PERFORMED ADJUSTMENT ON SENSOR S10105 PER MM 78-30-00-5-4 , AND PERFORMED BITE TEST ON PSEU PER FIM 32_09_03_815_804 WITH NO FAULT FOUND. PERFORMED SEVERAL TEST ON RIGHT THRUST REVERSER PER MM WITH NO FAULT FOUND .

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