Service difficulty report · Actuator · Boeing 737890

Difficulty date
April 14, 2015
Submitted
April 16, 2015
Operation
Air carrier
Aircraft
N592AS
Make and model
Boeing 737890
Aircraft serial
35190
Aircraft time
27,735 hours, 8,585 cycles
Part
Actuator
Part number
MA30A1001
Part serial
AA139170
Condition
Unknown
Location
Spar Valve
Part time
27,757 hours, 8,593 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 FUEL SPAR VALVE WILL NOT OPEN DURING START. ACFT GROUNDED. FOUND NR 1 ENGINE FUEL SPAR VALVE CIRCUIT BREAKER OUT. RESET CIRCUIT BREAKER. WET RUN OF NR 1 ENGINE GOOD IAW AMM 71-00-00-700-822-FOO. ACFT GROUND VERIFICATION SUCCESSFUL. NO HISTORY LAST 30 DAYS. TSR ISSUED. REPLACED NR 1 ENG FUEL SPAR VALVE ACTUATOR. ELECTRICAL CONTROL AND INDICATION TEST GOOD.