Service difficulty report · Link · Boeing 747438

Difficulty date
February 26, 2004
Submitted
June 4, 2004
Operation
General aviation
Make and model
Boeing 747438
Engine
Rroyce RB211524G19
Part
Link
Part number
UL22991
Condition
Damaged
Location
Engine Mount
Component
Mount · Rroyce · RB211524G
Stage of operation
IN
How discovered
V
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

(AUS) AFT ENGINE FAIL SAFE LINK ASSEMBLY DAMAGED. RT AFT ATTACHMENT HARDWARE VERY LOOSE AND NUT WAS NOT SECURED BY SPLIT PIN. FOLLOWING DISASSEMBLY OF THE FAIL SAFE LINK IT WAS FOUND THAT THE LP TURBINE SUPPORT TO WHICH THE LINK WAS ATTACHED WAS ALSO DAMAGED WITH THE ATTACHMENT HOLE BEING ELONGATED AND FRETTING DAMAGE CAUSED BY THE LINK. ATTACHMENT BUSHING AND BOLT BOTH BADLY WORN.