Service difficulty report · Sensor · Boeing 737824

Difficulty date
March 25, 2026
Submitted
March 26, 2026
Operation
Air carrier
Aircraft
N27246
Make and model
Boeing 737824
Aircraft serial
28956
Aircraft time
75,489 hours, 28,982 cycles
Part
Sensor
Part number
189929
Condition
Faulted
Location
Slat System
Stage of operation
AP
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

FL LEADING EGDE TRANSIT AT FLAPS 10 LOCKED FOR CONFIRMED FAULT, DECLARED EMERGENCY DEBRIEFED CREW CA STATED. SELECTED 10 FLAPS, AMBER TRANSIT LIGHT ON. FOLLOWED REF GUIDE SELECTED FLAPS 15, AMBER LIGHT REMAINED ON. AFTER LANDING DURING TAXI TRANSIT LIGHT WENT GREEN. AFTER AT GATE WITH FLAPS REMAINING DEPLOYED LIGHT RETURNED TO AMBER. FOUND FAULT CODE 27-81208 IN FAULT HISTORY ON FSEU IAW FIM 27-88 TASK 803, INSPECTED SLAT 5 OTBD SENSOR & FOUND TOP PLATE STARTING TO SEPARATE FROM PROX SENSOR BODY. R & R SLAT 5 OTBD SENSOR IAW AMM 27-88-11, OPS CHKD OK. CYCLED FLAPS FROM 0 - 15 & BACK SEVERAL TIMES, NO FURTHER FAULTS NOTED. TROUBLESHOT & REPLACED FAULTY COMPONENTS. CLEARING BASED ON PREVIOUS UPDATE, OPS CHKD OK.