SDR ASAA2013021393875

Service difficulty report · Radar · Boeing 737890

Difficulty date: February 13, 2013
Submitted: February 15, 2013
Operation: Air carrier
Aircraft: N590AS
Make and model: Boeing 737890
Aircraft serial: 35687
Aircraft time: 19,313 hours, 5,999 cycles
System (JASC): 3442 · Weather Radar System
Part: Radar
Condition: Malfunctioned
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

RADAR MANUAL & AUTO ANNUNCIATOR MISSING FROM ND. VERIFIED DISCREPANCY. RETURNED ACFT TO NORMAL REF SAME MM PROCEDURES. PERFORMED RELOAD OF DEU 1 & 2 OPC SOFTWARE REF 31-62-21. WX OPS & DISPLAY NORMAL REF 34-43-00. PERFORMED CDS DEU OPS REF 31-62-21. DEU GROUND SELF TEST, NR 58 DFCS LRU REPLACEMENT TEST FOR CDS AND SMM 34-36-00, HGS SENSOR TEST FOR CDS. ACFT REMAINS CAT IIIA AUTOLAND AND HGS QUAL STATUS SCREW SHOWS SAME.