Service difficulty report · Proximity Sensor · Boeing 737924

Difficulty date
March 23, 2026
Submitted
March 25, 2026
Operation
Air carrier
Aircraft
N72405
Make and model
Boeing 737924
Aircraft serial
30122
Aircraft time
68,093 hours, 28,602 cycles
Part
Proximity Sensor
Part number
189929
Condition
Faulted
Stage of operation
DE
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

FLT CREW ADVISED IN FLT FLAP LE TRANSIT LIGHT ON. ATTEMPTED RESET PER FLIGHT MANUAL, NO HELP LOCKING LOG, WILL NEED TO TROUBLESHOOT TROUBLESHOOT PER FIM 27-88 TASK 803 AND PERFORMED BITE OF FSEU, FAULT 27-81214. OUTBOARD PROXIMITY SENSOR (S1008) SHOWS FAR GAP WITH SLATS RETRACTED. REMOVED NR 8 L/E SLAT POSITION SENSOR. REF AMM 27-88-11-000-801. INSTALLED LEADING EDGE SLAT PROXIMITY SENSOR S1008 REF AMM TASK 27-88-11-400-801.OPC STILL REQUIRED. PERFORMED OPERATIONAL CHK OF THE S8 OUTBD LE SLAT PROX SWI REF MM TASK 27-88-11-700-801. SYSTEM GND CHKS GOOD.