SDR IPXA2018010525143

Service difficulty report · Anti-Ice Valve · Doug MD11F

Difficulty date: January 5, 2018
Submitted: January 5, 2018
Operation: Air carrier
Aircraft: N281UP
Make and model: Doug MD11F
Aircraft serial: 48538
Aircraft time: 64,013 hours, 13,554 cycles
System (JASC): 3010 · Airfoil Anti/De-ice System
Part: Anti-Ice Valve
Part number: 32902781
Part serial: 505
Condition: Failed
Location: Lt Wing
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: J, A

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

What was found

DURING TAKEOFF, A LEVEL 2 WING ANTI-ICE DISAGREE, LT SIDE DEPARTED ICING CONDITIONS DUMPED 118,000LBS FUEL AND DIVERTED. REPLACED THE LT WING ANTI-ICE VALVE IAW MM 30-11-01-401, AND SECURED THE DIFFERENTIAL PRESSURE SENSOR IAW MM 30-11-02-401, OPS TESTED THE WING ANTI-ICE IAW MM 30-11-00-501, TEST PASSED, ESC RTS PASSED IAW MM 30-11-00-501, PSC 1 & 2 RTS PASSED IAW MM 36-10-02-501.

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