SDR ASAA2016102818500

Service difficulty report · Warning Flag · Boeing 737990ER

Difficulty date: October 28, 2016
Submitted: October 31, 2016
Operation: Air carrier
Aircraft: N461AS
Make and model: Boeing 737990ER
Aircraft serial: 36363
Aircraft time: 10,465 hours, 3,400 cycles
System (JASC): 2210 · Autopilot System
Part: Warning Flag
Condition: False Activation
Location: Display
Stage of operation: NR
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

AMBER FD FLAG DISPLAYED ON FIRST OFFICER'S ATTITUDE INDICATOR. ACFT GROUNDED. CYCLED "B FCC DC" CIRCUIT BREAKER, FCC B RECOVERED. PERFORMED DFCS LRU INTERFACE TEST FOR FCC, LAND VERIFY TEST, AND HGS SENSOR TEST FOR FCC/AT, IAW AMM 22-00-01, LWMP CHECKLIST. AIRCRAFT REMAINS CAT IIIA AUTOLAND/HGS, STATUS SCREW REFLECTS SAME.