SDR S012730131

Service difficulty report · Fcu · Boeing 747209B

Difficulty date
April 3, 2001
Submitted
July 25, 2001
Operation
General aviation
Make and model
Boeing 747209B
Aircraft time
50,150 hours, 9,454 cycles
Engine
Pwa JT9D7R4G2
Engine time
31,816 hours, 6,135 cycles
Part
Fcu
Part time
24,628 hours, 4,809 cycles
Stage of operation
CR
How discovered
O
Nature of condition
X
Precautionary procedure
E

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

What was found

B-18771 #2 ENG FLAME OUT AT FL330,TAT -4C,EGT 352 DEG.C,EPR 1.02 & DROPPING,ENG SHUTDOWN,WINDMILLED APPROX. 1 MIN AT OIL PRESS 22 PSI,ENG WAS RESTARTED & OPERATED NORMALLAY.C/A:1.I.A.W AMM 71-00-43,MAIN FUEL FILTER AND EVBC FUEL FILTER INSPED NML AND REPLACED. 2.CHECKED EVBC PT3 AND PS3 WATER TRAP,NO WATER EVIDENCE FOUND. 3.PFMED FUEL TANKS WATER DRAINING. 4.REPLACED FUEL CONTROL UNIT AND FUEL PUMP ASSY. 5.REPLACED FUEL HEATER DUE MOUNT BOLTS INSERT DAMAGED. 6.PFMED WINDMILLING INSP,MAIN OIL FILTER AND ALL MAGNETIC CHIP DETECTORS INSPED NML. 7.ENG RUN-UP TEST WITH TAKEOFF POWER SATISFACTORY. 8.AFTER TEST OF REMOVED PARTS FOR FINAL INVESTIGATION,THE MAIN CAUSE OF THE IFSD APPEARS TO BE A LEAN FCU ALONG WITH PO