Service difficulty report · Carrier Assy · Lear 45LEAR

Difficulty date
October 15, 2020
Submitted
October 16, 2020
Operation
Air carrier
Aircraft
N157PB
Make and model
Lear 45LEAR
Aircraft serial
45030
Aircraft time
8,233 hours, 6,933 cycles
Engine
Hnywl TFE73120AR
Engine time
8,046 hours, 6,641 cycles
Part
Carrier Assy
Part number
30601217
Condition
Broken
Location
Nr 2 Eng Blade
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

NR 2 ENGINE DOES NOT START. NR 2 FAN BLADE DOES NOT ROTATE. AFTER DISASSEMBLY, FOUND 2 EA BROKEN TUBES ON PLANETARY HOUSING. ONE OF THE TUBES WAS JAMMED BETWEEN PLANETARY GEAR ASSEMBLY AND RING GEAR CAUSING FAN TO LOCK AND NO ROTATION.