Service difficulty report · Valve · Boeing 737990ER

Difficulty date
July 11, 2022
Submitted
July 12, 2022
Operation
Air carrier
Aircraft
N428AS
Make and model
Boeing 737990ER
Aircraft serial
36353
Aircraft time
23,282 hours, 7,294 cycles
Part
Valve
Part number
32896302
Part serial
17967
Condition
Failed
Location
#2 Engine
Part time
23,282 hours, 7,294 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

ON REPOSITION TAXI, #2 ENGINE WILL NOT START, NO START VALVE LIGHT DURING START. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE START VALVE PER B737-900 AMM 80-11-03, OPS CHECK GOOD AND LEAK CHECK GOOD PER AMM 71-00-00.