SDR ASMF201311223002

Service difficulty report · Warning System · Boeing 7772Q8

Difficulty date: December 18, 2013
Submitted: December 23, 2013
Operation: Air carrier
Aircraft: N746AM
Make and model: Boeing 7772Q8
Aircraft serial: 32719
Aircraft time: 35,573 hours, 3,995 cycles
System (JASC): 3140 · Central Computers
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: CR
How discovered: O
Nature of condition: N
Precautionary procedure: A

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

What was found

AIRCRAFT PERFORMED AN UNSCHEDULED LANDING AT LIM DUE TO EICAS MESSAGE WXR SYS. MX PERSONNEL PERFORMED THE AIR, GND INTERFACE TEST IAW AMM 34-43-00, NOT CONFIRMING THE FAILURE & DELETING FAILURE MESSAGE, THE WXR SYS TEST WAS PERFORMED IAW AMM 34-43-00, TESTED CORRECT. THE HIGH ENERGY STOP INSPECTION WAS PERFORMED IAW AMM 05-51-14, NO DAMAGES WERE FOUND.

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