SDR CALA2011091200588

Service difficulty report · Sensor · Boeing 757224

Difficulty date: September 11, 2011
Submitted: September 12, 2011
Operation: Air carrier
Aircraft: N13110
Make and model: Boeing 757224
Aircraft serial: 27300
Aircraft time: 64,457 hours, 17,079 cycles
System (JASC): 2781 · Leading Edge Slat Position Indicating System
Part: Sensor
Part number: 251N50168
Condition: Out Of Limits
Location: Le Slat
Stage of operation: CR
How discovered: O
Nature of condition: N
Precautionary procedure: A

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

What was found

AT CRUISE ALT FL350 GOT EICAS MSG L/E SLAT ASSYM WITH LEADING EDGE LIGHT ILLUMINATED. NO ADVERSE ROLL OR CONTROL WHEEL MOVEMENT. REPEAT WRITE UP L/P 8918121 AND 8918119. T/S PER FIM TASK 27-81-00-815-804 AND WDM 27-81-31. FOUND RT INBD SLAT LOSS SENSOR S10338 TO BE OUT OF LIMITS. REMOVED AND REPLACED SENSOR IAW AMM 27-81-41. CYCLED FLAPS/SLATS NUMEROUS TIMES AND PERFORMED NR 1 AND NR 2 FSEU BITE WITH NO FAULTS NOTED.