SDR QXEA200500978

Service difficulty report · Line · Bombdr DHC8402

Difficulty date: June 6, 2005
Submitted: June 9, 2005
Operation: Air carrier
Aircraft: N415QX
Make and model: Bombdr DHC8402
Aircraft serial: 4081
Aircraft time: 3,840 hours, 3,736 cycles
System (JASC): 2140 · Heating System
Part: Line
Condition: Broken
Location: Heating Sys
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: A

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

What was found

UNABLE TO WARM ACFT CABIN AND FLIGHT COMPARTMENT. DUCT TEMP INDICATED 0 AND REMAINED THERE IN BOTH AUTO AND MANUAL. INSP AND FOUND AIR CONDITIONING PACK FLOW CONTROL VALVE SENSING LINE BROKEN. REPLACED VALVE SENSING LINE AND PACK FLOW CONTROL VALVE FILTER IAW MM TASK 21-52-00-618-801. PERFORMED OPS CHECK OF BOTH CABIN AND FLIGHT COMPARTMENT TEMPERATURE CONTROL. OPS CHECK GOOD IN BOTH AUTO AND MANUAL CONTROL. SENSING LINE LEAKS CHECK GOOD. ACFT RETURNED TO SERVICE.