SDR CALA2015062994031

Service difficulty report · Warning System · Boeing 767322

Difficulty date: June 28, 2015
Submitted: June 29, 2015
Operation: Air carrier
Aircraft: N659UA
Make and model: Boeing 767322
Aircraft serial: 27114
Aircraft time: 95,442 hours, 15,031 cycles
Engine: Pwa PW4060
System (JASC): 2781 · Leading Edge Slat Position Indicating System
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

EICAS MSG LE SLAT ASYM DISPLAYED, LE LIGHT ILLUMINATED WITH THE FLAP LEVER IN 1. BOTH FLAP POINTERS ARE CORRECT. CREW REPORTED POSSIBLE WAKE TURBULENCE ENCOUNTER, SEE SERVICE TIP 27-88-01 PG 901. PSEU BITE SHOWED LE OTBD ASYM MSG 27-81021, PROX BITE FAILED RT SLAT NR 8 INBD SENSOR 304. RAISED SLATS IN ALT MODE, MSG CLEARED, OPERATED FLAPS UP & DOWN SEVERAL TIMES. ALL OPERATIONS GOOD, CHECKED 304 SENSOR ADJUSTMENT IAW 27-88-01 ALL GOOD.