SDR ASAA2013070595479

Service difficulty report · Fmc · Boeing 737890

Difficulty date: July 5, 2013
Submitted: July 9, 2013
Operation: Air carrier
Aircraft: N586AS
Make and model: Boeing 737890
Aircraft serial: 35189
Aircraft time: 22,183 hours, 6,934 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Stage of operation: NR
How discovered: O
Nature of condition: J
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 FLAG - RAN QRH, SINGLE FMC OPS, RT FMC OPS, F/O GOT FLAG ABOUT 10 MIN LATER. A/T LIM FLAG. NO SPEEDS ON TAPE. ACFT GROUNDED. PERFORMED FMC BITE CHECK, NO FAULTS NOTED. REF FIM TASK 34-61-801. REMOVED NR 1 FMC COMPUTER. INSPECTED PINS. NO DEFECTS NOTED. INSTALLED NR 1 FMC COMP REF AMM 34-61-02-400-801. PERFORMED OPS TEST REF AMM 34-61-00-710-801. OPS CKS GOOD. NO HISTORY FOR 30 DAYS.