Service difficulty report · Propeller

Difficulty date
January 8, 2007
Submitted
January 19, 2007
Operation
General aviation
Propeller
Hartzl HCB4MP3
Part
Propeller
Part number
HCB4MP3A
Part serial
FWA3445
Condition
Damaged
Part time
16,787 hours
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

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

What was found

(CAN) PROPELLER WAS RECEIVED FOR COMPLIANCE WITH AD 2006-24-07. PROPELLER PREVIOUSLY OVERHAULED ON SEPTEMBER 20, 2000. THE PROPELLER WAS DISSASSEMBLED AND THE FOLLOWING FINDINGS WERE CORRECTED. (4) LOW STOP RODS WERE CORRODED BEYOND REPAIR. (4) BLADE CLAMP ASSEMBLIES WERE REPLACED DUE TO CORROSION AND LACK OF PLATING. PISTON HAD A CORROSION PIT IN FELT RING GROOVE. HUB WAS REPLACED DUE TO CORROSION/RUST IN PILOT TUBES. NR 4 BLADE HAD WATER IN BLADE BORE BEHIND GREASE BUT NO EVIDENCE OF CORROSION. COUNTERWEIGHT BOLTS WERE ALL RUSTED AND WATER WAS FOUND IN BLADE CLAMP COUNTERWEIGHT BOLT HOLES. (TC NR 20070111010)