Service difficulty report · Warning System · Boeing 757223

Difficulty date
June 11, 2016
Submitted
June 13, 2016
Operation
Air carrier
Aircraft
N182AN
Make and model
Boeing 757223
Aircraft serial
29592
Aircraft time
52,589 hours, 18,307 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
DE
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

AIRCRAFT WAS GROUNDED. EMERGENCY DECLARED. LANDING UNEVENTFUL. ACFT NOT OVERWEIGHT. DUIRNG DESCENT CREW REPORTED MULTIPLE UNUSUAL AUDIBLE AND VISUAL WARNINGS CULMINATING IN A DUAL FLIGHT MANAGEMENT COMPUTER FAILURE. MAINTENANCE ACCOMPLISHED FIM 34-61-00, BITE CHECKS OF BOTH FLIGHT MANAGEMENT COMPUTERS, MCM 2900. OPS CHECK OF BOTH FLIGHT MANAGEMENT COMPUTERS IAW AMM 34-61-00, VERIFIED SOFTWARE IAW IPC 34-61-01-01B. NOT FAULTS FOUND.