SDR ASAA2022100440161

Service difficulty report · Anti-Ice Valve · Boeing 7379

Difficulty date: October 4, 2022
Submitted: October 6, 2022
Operation: Air carrier
Aircraft: N931AK
Make and model: Boeing 7379
Aircraft serial: 43353
Aircraft time: 2,793 hours, 830 cycles
System (JASC): 3020 · Air Intake Anti/De-Ice System
Part: Anti-Ice Valve
Part number: 632160664
Part serial: 2428
Condition: Faulty
Location: #1 Engine
Part time: 1,750 hours, 463 cycles
Stage of operation: IN
How discovered: V
Nature of condition: J
Precautionary procedure: K

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

What was found

DURING ENGINE RUN TEST FOUND #1 ENGINE ANTI-ICE VALVE LIGHT WOULD STAY ILLUMINATED AMBER UNTIL 68% N2 POWER, STAYS ILLUMINATED AT IDLE. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE ANTI-ICE VALVE, REF B737-9 AMM 30-21-11-000-801 & 30-21-11-400-801, LEAK AND OPS CK GOOD.

More about the Boeing 737-9