SDR ASAA2022112840963

Service difficulty report · None · Boeing 737990ER

Difficulty date: November 28, 2022
Submitted: December 1, 2022
Operation: Air carrier
Aircraft: N461AS
Make and model: Boeing 737990ER
Aircraft serial: 36363
Aircraft time: 32,564 hours, 10,191 cycles
System (JASC): 5100 · Standard Practices/Structures
Part: None
Condition: None
Location: None
Stage of operation: NR
How discovered: 9
Nature of condition: W
Precautionary procedure: O

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

What was found

CAPTAIN'S WEATHER DISPLAY DOES NOT REMOVE GROUND CLUTTER IN AUTO MODE. FIRST OFFICERS FUNCTIONS NORMALLY IN ALL MODES AND CAPTAINS WILL DISPLAY FO'S DATA WHEN TFR IS SELECTED. BOTH SIDES OPERATE NORMALLY IN MANUAL MODES. GROUNDED - YES. PERFORMED B737-900 FIM 34-43 TASK 801 BITE TEST OPS CHECK NORMAL READ SDS AND FOUND POSSIBLE CAUSE WAS USER ERROR ETOPS GROUND VERIFICATION COMPLETE.