Service difficulty report · Start Valve · Boeing 737890

Difficulty date
March 4, 2023
Submitted
April 6, 2023
Operation
Air carrier
Aircraft
N566AS
Make and model
Boeing 737890
Aircraft serial
35182
Aircraft time
58,833 hours, 17,369 cycles
Part
Start Valve
Part number
32896302
Part serial
9804
Condition
Faulty
Location
#1 Engine
Part time
54,091 hours, 17,149 cycles
Stage of operation
TX
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

#1 ENGINE WOULD NOT START. GOOD DUCT PRESSURE AT 38 PSI BUT NO ROTATION WHEN STARTER WAS ENGAGED. GROUNDED - YES. REMOVED AND REPLACED #1 ENG START VALVE REF IAW B737-800 AMM 80-11-03.