Service difficulty report · Wire · Boeing 767322

Difficulty date
September 29, 2009
Submitted
September 30, 2009
Operation
Air carrier
Aircraft
N676UA
Make and model
Boeing 767322
Aircraft serial
30028
Aircraft time
31,262 hours, 7,954 cycles
Engine
Pwa PW4052
Part
Wire
Condition
Shorted
Location
Prox Switch
Stage of operation
NR
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

THE 'EICAS MSG LE SLAT ASYM' DISPLAYED. REMOVED PSEU & CHECKED S282 WITH LCR METER. RESISTANCE TOO HIGH, 24.17 OHMS, MUST BE LESS THAN 20 OHMS. REPLACED S282. NOW MEASURES 22.63 OHMS, S276 MEASURES 17 OHMS. NEED TO CHECK WIRING FROM PSEU TO S282 TO LOCATE CAUSE OF HIGH RESISTANCE. REPLACED S282. CHECKED SENSOR. SECURED WIRING AT S282 L- L/E SLAT SENSOR, OP CHECKED GOOD ON FLAP-SLAT CYCLE, NO FAULTS.