Service difficulty report · Hmu · Amd FALCON2000

Difficulty date
February 2, 2015
Submitted
February 9, 2015
Operation
Air carrier
Aircraft
N226QS
Make and model
Amd FALCON2000
Aircraft serial
126
Aircraft time
11,429 hours, 6,989 cycles
Engine
Cfe CFE73811B
Part
Hmu
Part number
5085T40G04
Part serial
BECH1019
Condition
Failed
Location
Nr 1 Engine
Part time
6,103 hours, 3,772 cycles
Stage of operation
AP
How discovered
O
Nature of condition
Y, J
Precautionary procedure
E

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

What was found

ON FINAL APPROACH & SHORTLY AFTER SELECTING FLAPS TO 10 DEGREES THE GEN 1 ANNUNCIATOR ILLUMINATED. APPROX 10 SECONDS LATER THE NR 1 ENG ROLLED BACK TO IDLE & SHUTDOWN WITH ALL APPROPRIATE ANNUNCIATOR ILLUMINATING AS WOULD BE OBSERVED ON A NORMAL ENG SHUTDOWN. N1 WAS AT SET AT APPROX 55 PERCENT. R & R NR 1 ENG HYDRO MECHANICAL METERING UNIT IAW LMM 73-20-02. HMU INSTALLED & RII INSTALLED. LEAK & OPERATIONS CHECKED GOOD.