Service difficulty report · Wire · Boeing 767322

Difficulty date
February 26, 2010
Submitted
February 26, 2010
Operation
Air carrier
Aircraft
N671UA
Make and model
Boeing 767322
Aircraft serial
30026
Aircraft time
38,123 hours, 10,080 cycles
Engine
Pwa PW4052
Part
Wire
Condition
Shorted
Location
Prox Sensor
Stage of operation
TO
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

TAKEOFF CONFIGURATION WARNING. ACP PROX SENSOR WIRING RESISTANCE CHECK FOR S266,S267,S268. FOUND S267 R & B WIRES SHORTED TO GROUND WITH 27MEG OHM. ALL OTHER PROX SWITCHES TEST OK. REPLACED S267, STILL NEEDS CHK GAPS WITH TRUCK TILTED. MEASURED GAPS USING RIGGING TOOL SPECIFIED BETWEEN LT & RT TILT SENSORS S267 & S268, GAPS CHECKED WITHIN LIMITS. ACOMPLISHED PSEU BITE TEST NORMAL IAW FIM 32-09-03 FIG 103. NO FAULTS CODE. TAKEOFF CONFIG WARNING MODULE CARD TEST OK IAW AMM.