Service difficulty report · Relay · Boeing 747341

Difficulty date
April 28, 2006
Submitted
May 1, 2006
Operation
Air carrier
Aircraft
N355MC
Make and model
Boeing 747341
Aircraft serial
23395
Aircraft time
63,810 hours, 12,317 cycles
Engine
Ge CF650E2
Engine time
79,088 hours, 16,348 cycles
Part
Relay
Condition
Not Seated
Location
Nr 3 Engine
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
D

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

What was found

ATTEMPTED TO START NR 3 ENGINE 2 TIMES. AFTER SECOND ATTEMPT FUEL FLOW INDICATED IN EXCESS OF 1100 KGPH. ENGINE WOULD NOT START. CHECKED CONDITION ACTUATOR, RESEATED RELAYS YBEK12 AND YBEK08, OPS CHECKED OK. ENGINE STARTED ON FIRST ATTEMPT.