SDR UIEA2020111402392

Service difficulty report · Radar · Boeing 7673Y0

Difficulty date: November 14, 2020
Submitted: November 18, 2020
Operation: Air carrier
Aircraft: N1181A
Make and model: Boeing 7673Y0
Aircraft serial: 26206
Aircraft time: 88,915 hours, 22,333 cycles
System (JASC): 3442 · Weather Radar System
Part: Radar
Condition: Malfunctioned
Location: Weather Sys
Stage of operation: CR
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

AT FL360 LEFT RADAR SYSTEM AT 0 DEG TILT RETURNS SOLID RED BEYOND 80 NM. RIGHT RADAR SYSTEM RETURNS "NORMAL" GROUND CLUTTER AT SAME SETTING. SUSPECT LEFT RADAR TILT IS OUT OF CALIBRATION. PERFORMED WXR BITE, IAW FIM 34-43 FT 805, NO FAULTS NOTED. OPERATIONS CHECK GOOD. PERFORMED WXR OPERATIONS TEST, IAW AMM 34-43-00. OPERATIONS TEST GOOD.

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