SDR ASAA2014112309734

Service difficulty report · Unknown · Boeing 737890

Difficulty date: November 23, 2014
Submitted: November 25, 2014
Operation: Air carrier
Aircraft: N513AS
Make and model: Boeing 737890
Aircraft serial: 35192
Aircraft time: 23,589 hours, 7,257 cycles
System (JASC): 2200 · Auto Flight System
Part: Unknown
Condition: Multiple Fail
Stage of operation: AP
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

F/O FLIGHT DIRECTOR STEERING BARS DID NOT DISPLAY ON ILS APPROACH. DISAPPEARED AT LOC CAPTURE AND GS CAPTURE. VOR/LOC AND GS AND FD WERE PROPERLY DISPLAYED ON THE FMA. MA WAS ILLUMINATED ON THE F/O FLIGHT DIRECTOR SWITCH. THE CAPTAINS DISPLAY WAS NORMAL. ACFT GROUNDED. CURRENT STATUS GOOD. FOUND ON FCC "B" FAULT HISTORY, FAULT 11-11052 " NO RAD ALT NR 2 DATA" ACCOMPLISHED FIM TASK 22-11, TASK 805. NO CURRENT FAULTS. FAULT INTERMITTENT. NO HISTORY LAST 30 DAYS. RAD ALT OPS NML REF MM 34-33-00.