SDR ASMF20180918001

Service difficulty report · Warning System · Boeing 73773V

Difficulty date: July 8, 2018
Submitted: September 18, 2018
Operation: Air carrier
Aircraft: N423AM
Make and model: Boeing 73773V
Aircraft serial: 32423
Aircraft time: 47,189 hours, 28,918 cycles
System (JASC): 3445 · Air Collision Avoidance System
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: K

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

What was found

AIRCRAFT RETURNED OF FLIGHT DUE TO DURING CLIMB MAP FLAG AND TCAS OFF APPEARED ON MFD. MAINTENANCE PERSONNEL PERFORMED FAULT ISOLATION PROCEDURE TO TCAS IAW FIM 34-45 TASK 801, ADIRUS IAW FIM 31-21 TASK 801 AND PA IAW FIM 22-11 TASK 801, NO CONFIRMING FAILURE, TESTED CORRECT.

More about the Boeing 737-73V