SDR 97ZZZX2471

Service difficulty report · Diverter Plate · Doug MD900

Difficulty date
March 7, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N901CF
Make and model
Doug MD900
Aircraft serial
90000012
Part
Diverter Plate
Part number
900F244300101
Condition
Worn
Location
T/R Control
Part time
1,269 hours
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

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

What was found

INSTALL, NOTAR (R) DIFFUSER - STATOR. REPLACED SEVERAL FAN BLADES. REINSTALLED FAN ASSY. WHILE PERFORMING A PEDAL CHECK, FOUND PITCH CONTROL BELLCRANK ROCKING INSIDE THE DIVERTER PLATE. FURTHER INVESTIGATION FOUND THE BUSHINGS ARE TOO LOOSE WITHIN THE DIVERTER PLATE COMPOSITE. HOLE DIAMETER .375 INCH. BUSHING DIAMETER .368 INCH TO .370 INCH. ALSO, FOUND A WEAR GROOVE INSIDE THE BELLCRANK FORK. PARTS INCLUDE 1 EACH 900C2010289-101 AND HN5G-51-2, 2 EACH.

More about the Doug MD 900