Service difficulty report · Warning Light · Boeing 737890

Difficulty date
August 31, 2009
Submitted
September 2, 2009
Operation
Air carrier
Aircraft
N563AS
Make and model
Boeing 737890
Aircraft serial
35180
Aircraft time
11,064 hours, 3,487 cycles
Part
Warning Light
Condition
Illuminated
Location
Nr 1 Engine
Component
Actuator
Component part number
MA30A1001
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

LEFT SPAR VALVE ILLUMINATED (BRIGHT) NEAR THE ETOPS EXIT POINT AT 0400Z APPROX 4 +20 INTO FLIGHT. FL 380 TEMP 53C CENTER PUMPS OFF & X FEED CLOSED. DIVERSION TIME 27 MINS. UNABLE TO VERIFY DISCREPANCY. ACCOMPLISHED FIM 28 22 TASK 809. INITIAL EVALUATION SHOWED NO FAULTS. REMOVED INSPECTED AND REINSTALLED CONNECTORS D 788 & D 626 FROM ACTUATOR ASSY AND P5 2. NO FAULTS FOUND. REMOVED AND REPLACED NR 1 SPAR VLV ACTUATOR PER MM 28 22 11 AND FUEL SYSTEM MODULE P5 2 PER MM 28 22 43. VERIFICATION FLIGHT SATISFACTORY. OPS NORMAL.