SDR ASAA2020030932385

Service difficulty report · Unknown · Boeing 737890

Difficulty date: March 7, 2020
Submitted: March 10, 2020
Operation: Air carrier
Aircraft: N557AS
Make and model: Boeing 737890
Aircraft serial: 35176
Aircraft time: 52,498 hours, 15,301 cycles
System (JASC): 3442 · Weather Radar System
Part: Unknown
Condition: Malfunctioned
Location: Weather Radar
Stage of operation: NR
How discovered: O
Nature of condition: O
Precautionary procedure: K

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

What was found

IN AUTO RADAR DEPICTS CONT STRONG FALSE RETURN FROM ONE TO THREE O'CLOCK POSITION IN AL MODES, GAINS, AND TILTS. GROUNDED - YES. REPOSITIONED A/C TO RUN RADAR, PAINTS TERRAIN CORRECTLY, NO INAPPROPIATE RETURNS, REF B737-800 AMM 34-30-00. OPS NORMAL.