SDR UALA2011081904415

Service difficulty report · Antenna · Boeing 767322

Difficulty date: August 19, 2011
Submitted: September 12, 2011
Operation: Air carrier
Aircraft: N644UA
Make and model: Boeing 767322
Aircraft serial: 25094
Aircraft time: 86,334 hours, 13,818 cycles
Engine: Pwa PW4060
System (JASC): 3442 · Weather Radar System
Part: Antenna
Condition: Failed
Location: Wx Radar Sys
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

WXR FAIL ON EHSI, FLT DIVERTED. WHEN TEST SELECTED, "ANT RT" DISPLAYED UNDER WX RADAR FAIL ON ESHI. RESET WX RADAR CB GRID F2, NO HELP. ALSO TRIED PWS OFF, TILT IN MAN OR AUTO, GAIN IN AUTO OR MAX, ALL NO HELP. FOUND ANTENNA FAILURE AFTER TRANSCEIVER BITE PROCEDURE FOUND ANTENNA FAILURE. REPLACED ANTENNA.