Service difficulty report · Proximity Sensor · Boeing 737724

Difficulty date
September 28, 2024
Submitted
October 1, 2024
Operation
Air carrier
Aircraft
N16709
Make and model
Boeing 737724
Aircraft serial
28779
Aircraft time
81,711 hours, 29,592 cycles
Part
Proximity Sensor
Part number
189929
Condition
Faulty
Location
Zone 700
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

RIGHT MAIN LANDING GEAR GREEN LIGHT REMAINED ILLUMINATED AFTER DEPARTURE. PROVIDED BY FLIGHT CREW PERFORMED BITE ON PSEU REF AMM 32-09 TASK 801 FOUND EXISTING FAULTS 2, MESSAGE 32-61005, LATCHED AND 32-61004 NOT LATCHED, RIGHT LAND GEAR DOWN LOCK FAULT. UPLOAD SOME PICTURES REF. SSM 32-61-11-101 & FIM 32-61 TSK 801 SENSOR RESISTANCE READS 799 OHMS W/ LCR METER OUT OF LIMITS, REQUIRES #1 RIGHT GEAR DOWN & LOCK SENSOR S0073 REPLACEMENT. FOUND RIGHT FWD DOWN LOCK SENSOR S0073 FAULTY, REPLACED SENSOR PER AMM 32-61-31-400-801, ALSO PERFORMED GEAR SWING REF AMM 32-32-00-710-801 4 TIMES FOUND NO FAULTS, INDICATION NORMAL.