SDR ASAA2012100893081

Service difficulty report · Computer · Boeing 737890

Difficulty date: October 8, 2012
Submitted: October 10, 2012
Operation: Air carrier
Aircraft: N579AS
Make and model: Boeing 737890
Aircraft serial: 35187
Aircraft time: 21,556 hours, 6,478 cycles
System (JASC): 2210 · Autopilot System
Part: Computer
Part number: 8221604101
Part serial: 19CXY
Condition: Failed
Location: Ee Bay
Part time: 35,367 hours, 12,297 cycles
Stage of operation: IN
How discovered: O
Nature of condition: O
Precautionary procedure: K

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

What was found

DURING S/W UPDATE OF FCC B REF T/CSB737-22A1224-NG-1-1. FCC B FAILED. REPLACED FCC B REF MM22-11-33, ETOPS GROUND VERIFICATON, OPS CK NORMAL, S/W CK OK. ACCOMP DFCS LAND VERIFIY NR 49, LRU FCC NR 35 TEST, & HGS SENSOR FCC/AT TEST. ALL TEST NML REF MM22-11-00, 22-11-31, & SMM34-36-00. ACFT REMAINS CAT III A AUTOLAND & HGS QUAL, & SCREW SHOW SAME.