SDR QXEA200500838

Service difficulty report · Switch · Dhav DHC8202

Difficulty date: May 3, 2005
Submitted: May 5, 2005
Operation: Air carrier
Aircraft: N350PH
Make and model: Dhav DHC8202
Aircraft serial: 488
Aircraft time: 17,871 hours, 25,661 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Switch
Condition: Failed
Location: Cabin
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

MFR - DURING CLIMBOUT OBSERVED AIR COND PACK HOT CAUTION LIGHT. INCREASED CABIN TEMP PER ABNORMAL CHECKLIST UNTIL LIGHT EXTINGUISHED. COULD NOT DECREASE TEMP BELOW APPROXIMATELY 30 DEGREES CELSIUS ON DUCT TEMP GAUGE WITHOUT CAUSING LIGHT TO COME BACK ON. MAINTENANCE REPLACED COMPRESSOR DISCHARGE OVER TEMPERATURE SWITCH IAW TASK 21-50-31-000-801 AND 400-801. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.