Service difficulty report · Link · Boeing 747283B

Difficulty date
December 6, 2005
Submitted
December 7, 2005
Operation
Air carrier
Aircraft
N523UP
Make and model
Boeing 747283B
Aircraft serial
22381
Aircraft time
75,840 hours, 15,610 cycles
Part
Link
Part number
65B903604
Condition
Cracked
Location
Nr 3 Mount
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

NR 3 ENGINE REAR MOUNT THRUST LINK FWD END LUG BORE UPPER AREA WITH CRACK INDICATION (90 PERCENT FSH ); AND AFT END LUG BORE UPPER AND LOWER AREA WITH CRACK INDICATION 60 PERCENT FSH AND 110 PERCENT FSH RESPECTIVELY. ALL EXCEED LIMIT. NR 3 ENGINE REAR MOUNT THRUST LINK REPLACED PER 747 MM 71-21-03, REF EO NR B747-7120-22596 APPENDIX H.