SDR CALA2014091101221

Service difficulty report · Sensor · Boeing 737824

Difficulty date: September 11, 2014
Submitted: September 11, 2014
Operation: Air carrier
Aircraft: N37253
Make and model: Boeing 737824
Aircraft serial: 30584
Aircraft time: 45,458 hours, 15,973 cycles
System (JASC): 2781 · Leading Edge Slat Position Indicating System
Part: Sensor
Condition: Unserviceable
Location: Le Slat
Stage of operation: AP
How discovered: O
Nature of condition: F
Precautionary procedure: O

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

What was found

NUMBER 3 SLAT FAILED TO GO TO FULL EXTEND ON LANDING WHEN FLAPS 15 SELECTED. COMPLIED WITH QRH, LANDED FLAPS 15. AMBER LIGHT TURNED GREEN ON GND TAXING IN. TROUBLE SHOT IAW FIM 27-88-00-810-803, FOUND NR 3 SLAT OTBD SENSOR S998 OUT OF LIMIT WITH RESISTANCE CHECK READING 484 OHMS, MAX IS 351 OHMS. R & R SENSOR IAW AMM 27-88-11-400-801 & SENSOR TEST IAW AMM 27-88-11-700-801, OPERATIONS CHECKED GOOD. SLATS & FLAPS OPERATE NORMAL WITH NO OTHER FAULTS.