Service difficulty report · Proximity Sensor · Boeing 757224

Difficulty date
September 23, 2025
Submitted
October 1, 2025
Operation
Air carrier
Aircraft
N17139
Make and model
Boeing 757224
Aircraft serial
30352
Aircraft time
93,399 hours, 22,233 cycles
Part
Proximity Sensor
Condition
Sticking
Location
Zone 800
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

SLIDE LIGHT OVER 2R ILLUMINATED ON GROUND WILL NOT EXTINGUISH DOOR SLIDE ARMED LIGHT STAYS ILLUMINATED WHEN DOOR IS DISARMED. LIGHT EXTINGUISHES WHE DOOR HANDLE IS MOVED TO THE OPEN POSITION, LIGHT ILLUMINATES WHEN DOOR IS CLOSED AND DISARMED. VERIFIED GIRT BAR SLIDERS ENGAGE NORMAL WHEN ARMED. SLIDE LIGHT PLACED ON DEFERRAL. CONTINUED TROUBLESHOOTING, FOUND BOTH R2 DOOR GRIT BAR PROXIMITY SENSORS A (S10220) AND B (S10221) STICKING INTERMITTENTLY WHEN MANUALLY ACTIVATED. REMOVED AND REPLACED DOOR 2R FWD GIRT BAR PROXIMITY SWITCH PER AMM 25-66-11/401. OPS CHECK GOOD.