Service difficulty report · Transducer · Dhav DHC3

Difficulty date
November 11, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Dhav DHC3
Aircraft time
21,671 hours
Engine
Pwa PT6A34
Propeller
Hamstd 23D40
Part
Transducer
Part number
APTE548225
Condition
Failed
Location
Propeller Torque
Part time
565 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) TORQUE READING STUCK AT 130 PSI. 2 MINUTES AFTER TAKEOFF, DURING CLIMB, PILOT REPORTED DOUBLE TORQUE GAUGE FAILURE. TORQUE READING WAS STUCK AT 130 PSI. PILOT RETURNED TO BASE AND LANDED SAFELY. TORQUE PRESSURE TRANSDUCER, PN: APTE-548-2250-70D, WAS CHANGED BY MAINTENANCE. TRANSDUCER HAD A TSN OF 564.8 HOURS.