Service difficulty report · Gearbox · Boeing 737832

Difficulty date
July 11, 2006
Submitted
July 14, 2006
Operation
Air carrier
Aircraft
N3740C
Make and model
Boeing 737832
Aircraft serial
30800
Aircraft time
12,872 hours, 8,081 cycles
Engine
Ge CFM56*
Engine time
12,882 hours, 8,085 cycles
Part
Gearbox
Condition
Failed
Location
Nr 2 Engine
Part time
12,882 hours, 8,085 cycles
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
E

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

What was found

FILTER BYPASS LIGHT FLICKERED THEN BECAME STEADY AT CRUISE THROTTLE WAS RETARDED LIGHT STAYED ILLUM. ENGINE WAS SHUTDOWN PER QRH. REPLACED NR 2 ENGINE ACCESSORY GEARBOX PER ESM 72-00-63. ENG REQUIRES TEST 3B. ENGINE LEAK CHECK AND TEST 3B C/W, NO LEAK NOTED.