SDR ASAA2014070708476

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: July 7, 2014
Submitted: July 10, 2014
Operation: Air carrier
Aircraft: N508AS
Make and model: Boeing 737890
Aircraft serial: 35691
Aircraft time: 22,612 hours, 6,973 cycles
System (JASC): 3440 · Independent Position Determining System
Part: Warning Light
Condition: False Activation
Stage of operation: NR
How discovered: O
Nature of condition: G, N
Precautionary procedure: O

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

What was found

WEATHER RADAR, PWS ATT, AUTO TILT FAIL. ACFT GROUNDED. PERFORMED FIM 34-43, TASKS 801, 814, 815 AND MM 34-43-00 WXR SYSTEM, OPS TEST. NO FAULTS FOUND. TILT FUNCTION AND PWS OPS NORMAL REF SAME FIM/TASKS AND MM. INTERMITTENT FAULT IAW FIM TASKS. NO HISTORY LAST 90 DAYS. GROUND VERIFICATION TEST GOOD.