Service difficulty report · Start Valve · Boeing 737890

Difficulty date
March 17, 2016
Submitted
March 21, 2016
Operation
Air carrier
Aircraft
N508AS
Make and model
Boeing 737890
Aircraft serial
35691
Aircraft time
29,401 hours, 8,953 cycles
Part
Start Valve
Part number
32896302
Part serial
11230
Condition
Failed
Location
Nr 2 Engine
Part time
29,407 hours, 8,951 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

START VALVE OPEN LIGHT ILLUMINATING NR 2 SIDE ON GROUND ENGINES NOT RUNNING. ACFT GROUNDED. VERIFIED NR 2 START VALVE CLOSED. MANUALLY CYCLED VALVE OPEN TO CLOSE. LIGHT EXTINGUISHED. PERFORMED START VALVE LEAK CHECK REF AMM 71-00-00-700-809-F00, CHECKS NORMAL. TSR ACCOMPLISHED, R & R NR 2 ENGINE START VALVE WITH A SERVICEABLE UNIT IN REF TO AMM 80-11-03. NR 2 ENGINE START VALVE OPS CHECKS AND LEAK CHECK GOOD AT THIS TIME.