Service difficulty report · Gearbox · Boeing 7373T0

Difficulty date
October 2, 2003
Submitted
October 3, 2003
Operation
Air carrier
Aircraft
N69333
Make and model
Boeing 7373T0
Aircraft serial
23571
Aircraft time
51,230 hours, 26,880 cycles
Engine
Ge CFM563B1
Engine time
40,022 hours, 20,643 cycles
Part
Gearbox
Part number
3353000100
Part serial
VB3041
Condition
Failed
Location
Nr 2 Engine
Part time
40,022 hours, 20,643 cycles
Stage of operation
CL
How discovered
O
Nature of condition
Y
Precautionary procedure
A

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

What was found

THE NR 2 ENGINE SUDDENLY AUTO SHUTDOWN WHILE CLIMBING THROUGH 19K AFTER TAKEOFF FROM EWR. THE AIRCRAFT WAS RETURNED TO EWR WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE TRANSFER GEARBOX AT FAULT. THE NR 2 ENGINE TRANSFER GEARBOX WAS REMOVED AND REPLACED IAW MM 72-62-01. LEAK AND OPERATIONAL CHECKS WERE GOOD.