Service difficulty report · Proximity Sensor · Boeing 737724

Difficulty date
September 5, 2023
Submitted
September 8, 2023
Operation
Air carrier
Aircraft
N33714
Make and model
Boeing 737724
Aircraft serial
28785
Aircraft time
78,690 hours, 28,594 cycles
Part
Proximity Sensor
Part number
189929
Condition
Faulty
Location
Nose Gear Wheel
Stage of operation
CL
How discovered
C
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

RED AND GREEN NOSE GEAR LITES STAYED ILLUMINATED AFTER RETRACTION. PSEU MSG 32-61013 NOSE DOWN DISAGREE AND 32-61004 NOSE DOWN "A" FAULT. PSEU BITE FAULTS NOSE DOWN A FAULT . MESSAGE #32-61004, PER FIM REPLACED NLG DOWN SENSOR S0845 REF AMM 32-61-51. SWUNG NOSE GEAR ALL LIGHTS EXTINGUISHED OPS CHECK NORMAL WITH NO FAULTS ON PSEU. REF AMM 32-33-00 FOR OPS CHECK OF NOSE LANDING GEAR ADD EMP:U115824, U070317 SWING. PARTS USED: 29-2762-3-0093,QTY :1 ALSO REPLACED SENSOR S854 PRECAUTIONARY REF AMM32-61-51. S854 OP CK NORMAL ON GEAR SWING.