Service difficulty report · Start Valve · Boeing 737890

Difficulty date
December 26, 2016
Submitted
December 28, 2016
Operation
Air carrier
Make and model
Boeing 737890
Aircraft serial
35688
Aircraft time
32,817 hours, 10,019 cycles
Engine
Cfmint CFM567B27
Part
Start Valve
Part number
32896302
Part serial
9582
Condition
Failed
Location
Nr 1 Engine
Part time
41,670 hours, 12,700 cycles
Stage of operation
TX
How discovered
O
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

NR 1 ENGINE START VALVE STUCK OPEN. ACFT GROUNDED. REMOVED & REPLACED THE NR 1 ENGINE START VALVE IAW AMM 80-11-03 OPS AND LEAK CHECK IAW AMM. RAN THE NR 1 ENG AS A PRECAUTION OPS NORMAL, OK FOR SERVICE.