SDR 9516369882

Service difficulty report · De-Ice Syst · Doug DC951

Difficulty date: October 21, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N670MC
Make and model: Doug DC951
Aircraft serial: 47659
System (JASC): 3010 · Airfoil Anti/De-ice System
Part: De-Ice Syst
Condition: Malfunctioned
Location: Empenage
Stage of operation: CR
Nature of condition: J
Precautionary procedure: A

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

What was found

DURING CRUISE, AIRFOIL ICE PROTECTION PRESSURE ABNORMAL LIGHT ILLUMINATED INTERMITTENTLY WITH TAIL DE-ICE ACTIVATED. AIRCRAFT DIVERTED TO FSD AND LANDED WITHOUT INCIDENT. REPLACED TAIL SHUTOFF VALVE, PRESSURE SWITCH, AND AIRFOIL PRESSURE DELAY RELAY AND OPERATIONAL TEST GOOD.

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