Service difficulty report · Display · Beech 99

Difficulty date
April 9, 2015
Submitted
April 10, 2015
Operation
Air carrier
Aircraft
N299CZ
Make and model
Beech 99
Aircraft serial
U74
Aircraft time
34,613 hours, 50,941 cycles
Engine
Pwa PT6A28
Propeller
Hartzl HCB3TN3
Part
Display
Condition
Malfunctioned
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

PILOT PRIMARY FLIGHT DISPLAY (PFD), DISPLAYED A TURN IN THE OPPOSITE DIRECTION PROVIDED MISLEADING AND INACCURATE DATA TO THE PILOT IN COMMAND DURING A TURN AFTER TAKEOFF. PILOT DIVERTED TO NEAREST SUITABLE AIRPORT. AFTER UNLOADING THE CARGO AND ON A SUBSEQUENT FERRY FLIGHT NO FURTHER DEFECTS WERE NOTED. MANUFACTURER HAS REPORTED VERBALLY THAT CARGO CONTAINING FERROUS METALS NEAR THE RSM COULD CAUSE THE RSM TO PROVIDE MISLEADING OR INACCURATE DATA, HOWEVER THERE IS NO RESTRICTION ON THE LOADING OF CARGO NEAR THE RSM OR EVEN A NOTE ABOUT IT IN THE AFM SUPPLEMENT OR PILOT'S GUIDE.

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