Service difficulty report · Hmu · Boeing 737890

Difficulty date
August 2, 2012
Submitted
August 28, 2012
Operation
Air carrier
Aircraft
N529AS
Make and model
Boeing 737890
Aircraft serial
35198
Aircraft time
9,387 hours, 2,983 cycles
Engine
Cfmint CFM567B273
Part
Hmu
Part number
1853M56P12
Part serial
BECW7645
Condition
Inoperative
Location
Nr 1 Engine
Part time
9,452 hours, 3,001 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

NR 1 ENG FUEL VALVE CLOSED LIGHT REMAINS BRIGHT BLUE WHEN START LEVER IN CUTOFF POSTITION. R & R NR 1 ENGINE HMU AMM 73-21-10. PERFORMED IDLE POWER LEAK CHECK GOOD IAW AMM 71-00-00. PERFORMED ACTUATORS TEST AND EEC BITE CHECK REF AMM 71-00-00, NO FAULTS NOTED.