Service difficulty report · Tube · Dhav DHC8102

Difficulty date
June 27, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Dhav DHC8102
Engine
Pwa PW120A
Propeller
Hamstd 14SF7
Part
Tube
Part number
3038044
Condition
Fractured
Location
P3
Stage of operation
AP
How discovered
O
Nature of condition
R, J
Precautionary procedure
O

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

What was found

(CAN) ON SHORT FINAL, FLIGHT CREW REPORTED A LOSS OF POWER ON THE NR 2 ENGINE. THE APPROACH WAS CONTINUED AND THE ACFT LANDED WITHOUT INCIDENT. DURING TROUBLESHOOTING, MAINTENANCE FOUND THE NR 2 PROPELLER OVERSPEED GOVERNOR P3 PRESSURE TUBE FRACTURED NEAR THE HMU FITTING, IPC 72-01-30-01-090. THE TUBE WAS REPLACED. THE ENGINE FAILED POST REPLACEMENT ENGINE PROPELLER OVERSPEED TEST AND DECISION WAS TAKEN TO REPLACE THE OVERSPEED GOVERNOR. THE SYSTEM WAS TESTED 1 MORE TIME AND FOUND SERVICEABLE. THE ACFT WAS RELEASED FOR SERVICE.