SDR N973081107

Service difficulty report · Indication Sys · Stbros SD360

Difficulty date
August 10, 2007
Submitted
August 16, 2007
Operation
Air carrier
Aircraft
N973AA
Make and model
Stbros SD360
Aircraft serial
SH3749
Aircraft time
16,954 hours, 19,988 cycles
Engine
Pwa PT6A67R
Engine time
22,408 hours, 28,882 cycles
Propeller
Hartzl HCA6A3A
Part
Indication Sys
Condition
Malfunctioned
Location
Cockpit
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
E

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

What was found

WHILE EN ROUTE TO MCI THE FLIGHT CREW ELECTED TO SHUT DOWN THE RIGHT ENGINE AS A PRECAUTIONARY MEASURE DUE TO ERRATIC PROPELLER SPEED INDICATION AND DIVERTED TO COU. EXDA MAINTENANCE WAS DISPATCHED TO COU AND INSPECTED THE PROPELLER RIGGING IAW SHORTS MAINTENANCE MANUAL, NO DEFECTS FOUND. THE AIRCRAFT WAS OPERATIONALLY CHECKED AND THE MAXIUM STATIC TAKEOFF POWER RUNS WERE SATISFACTORILY PERFORMED IAW THE SHORTS MAINTENANCE MANUAL. THE DISCREPANCY COULD NOT BE DUPLICATED ALL SYSTEMS OPERATIONALLY CHECKED NORMAL. N973AA WAS RETURNED TO SERVICE ON 8/11/2007.