Service difficulty report · Fcu · Boeing 747222B

Difficulty date
June 25, 2012
Submitted
June 28, 2012
Operation
Air carrier
Aircraft
N794CK
Make and model
Boeing 747222B
Aircraft serial
23737
Aircraft time
75,308 hours, 10,036 cycles
Engine
Pwa JT9D7R4G2
Engine time
60,340 hours, 9,447 cycles
Part
Fcu
Part number
7788004
Part serial
A5525
Condition
Malfunctioned
Location
Nr 2 Engine
Part time
38,827 hours
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
E, A

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

What was found

NR 2 ENGINE SHUTDOWN DUE EGT EXCESSIVE AND PARAMETERS UNCONTROLLABLE IN CLIMB. WINDMILL PROCEDURES COMPLIED WITH. PERFORMED EVBC TRIM IAW B747 AMM 71-00-00 TEST 8, NO DEFECT NOTED. TROUBLESHOT NR 2 ENGINE IAW FIM 71-01-00 REMOVED AND REPLACED NR 2 ENGINE FUEL CONTROL UNIT IAW AMM 73-21-01 PERFORMED LEAK CHECK IAW 71-00-00. TEST NR 3.