SDR WX0A2014121672302

Service difficulty report · Warning System · Boeing 757204

Difficulty date: December 9, 2014
Submitted: December 16, 2014
Operation: Air carrier
Aircraft: N905NV
Make and model: Boeing 757204
Aircraft serial: 27235
Aircraft time: 68,978 hours, 23,968 cycles
System (JASC): 2781 · Leading Edge Slat Position Indicating System
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: DE
How discovered: O
Nature of condition: N
Precautionary procedure: B

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

What was found

AFTER SELECTING FLAPS 1 A LE SLAT DISAGREE WITH A LE ANNUNCIATOR LIGHT CAME ON. RAN LE SLAT ASYMMETRY PROCEDURE IAW QRH PROCEDURE 27-4 & LE SLAT DISAGREE PROCEDURE 27.6 & CW FIM 27-81 FAULT TREE 803 1, 1A, 1B, 1C, 1D & BLOCK 28, SYS CHECKED OK, PRECAUTIONARY CHECK BLOCK 2, OVERLOAD INDICATOR ON PDU TORQUE LIMITER, CHECKED OK. CHECKED WIRING FOR GND AT PIN 4 D1251, CHECKED OK IAW FLEET TECHNICAL NOTE 27-13002, WDM 27-81-31. OPERATIONS CHECKED OK.