SDR HEEA131582

Service difficulty report · Module · Skrsky S76C

Difficulty date
July 1, 2011
Submitted
July 8, 2011
Operation
Air carrier
Aircraft
N725P
Make and model
Skrsky S76C
Aircraft serial
760688
Aircraft time
3,851 hours
Engine
Tmeca ARRIEL2S2
Engine time
4,484 hours
Part
Module
Part number
70BM057800
Part serial
01249
Condition
Damaged
Location
Engine
Part time
4,484 hours
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

HIGH IRON CONTENT IN SOAP SAMPLE - EXCESSIVE WEAR IN MO5 MUFF COUPLING AND DRIVE SPLINES. REPLACED MO5 AND MUFF COUPLING.