SDR ASAA2022103140547

Service difficulty report · Anti-Ice Valve · Boeing 7379

Difficulty date: October 31, 2022
Submitted: November 2, 2022
Operation: Air carrier
Aircraft: N928AK
Make and model: Boeing 7379
Aircraft serial: 44099
Aircraft time: 2,542 hours, 744 cycles
System (JASC): 3010 · Airfoil Anti/De-ice System
Part: Anti-Ice Valve
Part number: 632160683
Part serial: 6321606810103
Condition: Faulted
Location: Left Wing
Part time: 2,545 hours, 745 cycles
Stage of operation: NR
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

L VALVE R VALVE WING ANTI - ICE CAUTION LIGHTS ILLUMINATED IN FLIGHT. GROUNDED - YES. REMOVED L WING ANTI-ICE VALVE REF B737-9 AMM 30-11-11-000-801 STEPS E, F (2), (3), (4), & (6). INSTALLED L/H WING ANTI ICE VALVE REF AMM 30-11-11-400-801 STEPS 3. A - 3. H (2). OPS & LEAK CHECK ARE GOOD.

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