Service difficulty report · Switch · Boeing 737924ER

Difficulty date
February 7, 2025
Submitted
February 10, 2025
Operation
Air carrier
Aircraft
N69847
Make and model
Boeing 737924ER
Aircraft serial
42187
Aircraft time
31,723 hours, 11,390 cycles
Part
Switch
Condition
Out Of Adjust
Location
Zone 800
Stage of operation
AP
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

FWD ENTRY DOOR LIGHT ON FINAL APPROACH. FA CONFIRMED HANDLE MOVE D UP AS WELL PERFORMED A PULL TEST TO CHECK RESISTANCE ON FWD ENTRY DOOR, WAS READING 26 FTLBS (SPRING SCALE) AND STILL HADNT MOVED. 52-11-00-700-804. MEASURMENT CAME TO APPROXIMATLY 312 IN.LBS FOLLOWED FIM 52-10 TASK 801 STEP D(3)(K) FOUND NO DAMAGE AROUND FORWARD ENTRY DOOR SWITCH S1147. EXISTING FAULTS ON PSEU SHOWS 1 FAULT MESSAGE ON LEG 0 "52-71001" PICTURE ATTACTHED. S0199 SHOWS NEAR TARGET WITH DOOR CLOSED. STATUS OF SWITCH SHOWS "SWITCH ADD EMP:U390078 INACTIVE". STATUS DOES NOT SHOW FAIL SAFE PER FIM. FOLLOWING FIM 52-10 TASK 801 FOUND FWD ENTRY DOOR SWITCH S1147 ADJUSTMENT ABOVE LIMITS. READJUSTED DOOR SWITCH TO WITHIN LIMITS IAW AMM 52-71-11-820-802. OPS CHK GOOD.