SDR CALA2026021013687

Service difficulty report · Proximity Sensor · Boeing 737924ER

Difficulty date: February 7, 2026
Submitted: February 11, 2026
Operation: Air carrier
Aircraft: N69826
Make and model: Boeing 737924ER
Aircraft serial: 42180
Aircraft time: 35,498 hours, 13,042 cycles
System (JASC): 5270 · Door Warning System
Part: Proximity Sensor
Condition: Dirty
Location: Zone 800
Stage of operation: IN
How discovered: V
Nature of condition: N
Precautionary procedure: K

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

What was found

FWD ENTRY DOOR OPEN LIGHT ON LANDING. OPERATED DOOR WITH NO FAULTS, CHECKED SWITCH NO FAULTS, PLACING DOOR WARNING LIGHT ON MEL, DDP C/W. OPERATED DOOR WITH NO FAULTS, CHECKED SWITCH NO FAULTS, PLACING DOOR WARNING LIGHT ON MEL, DDP C/W. DEFERRED PER FIM TASK 52-10, TASK 801, PSEU SHOWS PROX SWITCH IN TOLERANCE CLEANED SENSOR OPS CHECK OK.