Service difficulty report · Hmu · Amd FALCON2000

Difficulty date
December 10, 2006
Submitted
December 13, 2006
Operation
Air carrier
Aircraft
N284QS
Make and model
Amd FALCON2000
Aircraft serial
185
Aircraft time
4,396 hours, 2,701 cycles
Engine
Cfe CFE73811B
Engine time
4,379 hours, 2,723 cycles
Part
Hmu
Part number
5085T40G04
Part serial
BECH0838
Condition
Fluctuates
Location
Nr 2 Engine
Part time
4,235 hours, 2,854 cycles
Stage of operation
CR
How discovered
O
Nature of condition
R, Y, J
Precautionary procedure
A

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

What was found

ENROUTE FROM EGE TO SNA THE (FUEL 2) LIGHT ILLUMINATED. THE LOW BOOSTER PUMP PRESSURE CHECKLIST WAS APPLIED THE LIGHT REMAINED ILLUMINATED. DUE TO NO INDICATION OF A FUEL LEAKS AND NO CHECKLIST REQUIREMENT TO LAND IMMEDIATELY THE FLIGHT WAS CONTINUED. APPROXIMATELY 15 MINUTES LATER THE NR 2 ENGINE IGNITION LIGHT BEGAN TO ILLUMINATE INTERMITTENTLY. DURING IGNITION ILLUMINATION THE NR 2. N2 WOULD FLUCTUATE FROM 99.1 TO 100.4 WITH MILD AIRFRAME BUFFET. DURING THE ENGINE IGNITION CYCLE THE NR 2 ENGINE REMAINED ON THE (A) CHANNEL. LATER YET, THE NR 2 ENGINE FUEL FLOW INDICATOR WENT TO (0), WITH ALL OTHER ENGINE INDICATIONS NORMAL. SHORTLY THEREAFTER THE NR 2 ENGINE POWER BEGAN TO ROLL BACK AND FORTH WITHOUT PILOT