Service difficulty report · Blade · Dhav DHC8*

Difficulty date
November 12, 2004
Submitted
December 3, 2004
Operation
General aviation
Make and model
Dhav DHC8*
Engine
Pwa PW120A
Propeller
Hamstd 14SF7
Part
Blade
Part number
SFA13MIROADE
Condition
Broken
Location
Propeller
Part time
29,896 hours, 33,385 cycles
Stage of operation
IN
How discovered
9
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

DETAILS EXTRACTED FROM MAJOR DEFECT REPORT: DAMAGE IN THE FORM OF SLASH TYPE CUTS TO THE DE-ICE BOOT WAS FOUND ON THE RIGHT PROPELLER, NR 3 BLADE, WHICH AS A RESULT REQUIRED THE PROPELLER BLADE TO BE REPLACED. DURING REPLACEMENT OF THE NR 3 BLADE SERIAL NUMBER 851372 ENGINEERS DISCOVERED THAT THE BLADE COLLARS WERE MISSING FROM THE NR 4 BLADE ASSY. SEPARATION OF THE BLADE COLLARS IS CURRENTLY UNDER INVESTIGATION BY THE TSB DUE TO A PREVIOUS COLLAR SEPARATION AND IMPACT DAMAGE ON ANOTHER AIRCRAFT.