SDR HNAA2012020300554

Service difficulty report · Hmu · Dhav DHC8102

Difficulty date: February 3, 2012
Submitted: February 9, 2012
Operation: Air carrier
Aircraft: N938HA
Make and model: Dhav DHC8102
Aircraft serial: 152
Aircraft time: 58,715 hours, 64,985 cycles
Engine: Pwa PW120A
Propeller: Hamstd 14SF7
System (JASC): 7321 · Fuel Control/Turbine Engines
Part: Hmu
Part number: 78639114
Part serial: F14622
Condition: Failed
Location: Nr 1
Stage of operation: CL
How discovered: O
Nature of condition: F
Precautionary procedure: A

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

What was found

PROGRESSIVE POWER LEVER SPLIT AFTER TAKEOFF APPROX 3 KNOB SPLIT, NR 1 POWER LEVER MAX TORQUE AT 70 PERCENT CHECKED RIGGING IAW 76-00-10Q, NO FIX. SWAPPED PROP GAUGES, NO FIX. SWAPPED GAUGES BACK TO ORIGINAL POSITION. R & R PCU IAW 61-10-10RQ, NO FIX. PROP GOVERNOR TEST, NO FIX. R & R HMU IAW WORKCARDS 73-20-01R, 76-00-10Q AND 24-30-02R. OPS AND LEAK CHECKED GOOD. OK FOR SERVICE.