SDR ASAA2023070143884

Service difficulty report · Start Valve · Boeing 737890

Difficulty date: July 1, 2023
Submitted: July 5, 2023
Operation: Air carrier
Aircraft: N592AS
Make and model: Boeing 737890
Aircraft serial: 35190
Aircraft time: 55,629 hours, 16,529 cycles
System (JASC): 8012 · Engine Start Valves/Controls
Part: Start Valve
Part number: 32896302
Part serial: 3527
Condition: Faulty
Location: #2 Engine
Part time: 6,076 hours, 1,850 cycles
Stage of operation: TX
How discovered: V
Nature of condition: J
Precautionary procedure: D

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

What was found

DURING ENGINE #2 START SEQUENCE, ENGINE STARTED NORMALLY. BUT "START VALVE OPEN" LIGHT REMAINED ILLUMINATED AFTER STARTER CUTOUT. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE STATRT VALVE REF. AMM 80-11-03.AND TEST #1&#3 OF AMM 71-00-00-700-809-FOO. OPS CHECK GOOD.