Service difficulty report · Nut · Skrsky CH54B

Difficulty date
January 8, 2009
Submitted
January 29, 2009
Operation
General aviation
Aircraft
N163AC
Make and model
Skrsky CH54B
Aircraft serial
64093
Engine
Pwa JFTD12A5A
Part
Nut
Part number
LH6422T126
Condition
Cracked
Location
M/R Head
Part time
6,374 hours
Component
Head
Component part number
6510311000080
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

DURING THE DISASSEMBLY OF THE MRH, 1 NUT WAS FOUND CRACKED. THE NUT IS CRACKED THROUGH ON ONE SIDE AND RUNS THE LENGTH OF THE NUT. THE UNT IS ONE OF (2) THAT SECURES THE DAMPER BRACKET TO THE MRH LOWER PLATE. THE CAUSE OF THE CRACK IS BEING INVESTIGATED. (K)