Service difficulty report · Mec · Boeing 7472D3B

Difficulty date
May 8, 2008
Submitted
May 15, 2008
Operation
Air carrier
Aircraft
N506MC
Make and model
Boeing 7472D3B
Aircraft serial
21252
Aircraft time
91,895 hours, 19,091 cycles
Engine
Ge CF650E2
Engine time
61,530 hours, 12,686 cycles
Part
Mec
Part number
8062291
Part serial
WYG18883
Condition
Failed
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
R
Precautionary procedure
E, A

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

What was found

INFLIGHT ENGINE SHUTDOWN. AT TOD, DURING ENGINE THROTTLE BACK NR 1 ENGINE ROLLED BACK DOWN TO 30 PERCENT N1 WITH NO THROTTLE RESPONSE. CREW SHUT DOWN ENGINE AND PERFORMED INFLIGHT RE-START. AFTER SUCCESSFUL RE-START THERE WAS STILL NO THROTTLE RESPONSE ABOVE 50 PERCENT N1. MAINTENANCE REPLACED THE MEC AND FUEL PUMP PER 73-11-01 AND 73-21-01.

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