Service difficulty report · Fmu · Boeing 777222

Difficulty date
April 9, 2008
Submitted
April 14, 2008
Operation
Air carrier
Aircraft
N773UA
Make and model
Boeing 777222
Aircraft serial
26929
Aircraft time
51,031 hours, 10,484 cycles
Engine
Pwa PW4077
Engine time
41,043 hours, 10,428 cycles
Part
Fmu
Part number
MR7320537
Condition
Failed
Location
Nr 1 Engine
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

CREW REPORTED NR 1 ENG FAILED TO SHUT DOWN ON INITIAL MOVEMENT OF FUEL CUT-OFF SWITCH. ENGINE SHUT DOWN AFTER APPROX 2 MINS STATUS ENG FUEL VALVE L, MSG 73-60211. REPLACED FUEL MANAGEMENT UNIT (FMU).