Service difficulty report · Fuel Heater · Dhav DHC8102

Difficulty date
May 17, 2009
Submitted
May 26, 2009
Operation
Air carrier
Aircraft
N934HA
Make and model
Dhav DHC8102
Aircraft serial
139
Aircraft time
52,436 hours, 58,311 cycles
System (JASC)
7312 · Fuel Heater
Part
Fuel Heater
Part number
10839F
Part serial
WA11291
Condition
Broken
Location
Fuel System
Part time
19,732 hours, 21,580 cycles
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
K

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

What was found

IN FLIGHT THE NR 2 FUEL TANK TEMPERATURE WAS ABOVE RED LINE ON THE GAUGE. THE TEMPERATURE DROPPED WHEN PULLING POWER BACK OR SELECTING AUXILIARY PUMP. THERE WAS A REPORT OF SMELLING BURNT POPCORN IN THE CABIN AREA. WHEN 934HA WAS IN ROA THE FUEL/OIL WAS REMOVED AND REPLACED FIXING THE HIGH TEMPERATURE PROBLEM. ALSO THE RIGHT HAND BLEED PIPE ASSEMBLY WAS REPLACED WITH NO FURTHER SMELLS OF BURNT POPCORN.