Service difficulty report · Seal · Cessna 550

Difficulty date
February 8, 2013
Submitted
February 22, 2013
Operation
General aviation
Aircraft
N99TK
Make and model
Cessna 550
Aircraft serial
5500621
Engine
Pwa JT15D4
Part
Seal
Part number
MS28774337
Condition
Mismanufactured
Location
Lt Strut
Part time
7 hours
Component
Strut · Cessna
Component part number
62411003
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

BACK UP SEAL FOR LT STRUT BEARING WAS MFG INCORRECTLY. THE JOINING SPLIT OF THE MS28274-337 WAS CUT AT THE WRONG ANGLE, PUSHING ON THE MAIN SEAL, CAUSING IT TO LEAK.

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