Service difficulty report · Bearing

Difficulty date
May 9, 2007
Submitted
May 9, 2007
Operation
General aviation
Engine
Pwa PT6*
Part
Bearing
Part number
2523973
Part serial
NA
Condition
Failed
Location
Fcu
Component
Fcu · Alidsg · DPF2
Component part number
41380083
Stage of operation
NR
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

ALLIED SIGNAL AEROSPACE (HONEYWELL) FUEL CONTROL UNIT (FCU)P/N 4138008-3, S/N C75067 RECEIVED FOR OVERHAUL AT INTERNATIONAL GOVERNOR SERVICES (IGS) CRS IG0R976N EXPERIENCED A SPOOL BEARING (P/N 2523973) FAILURE. THE FCU WAS REMOVED FROM PT6A ENGINE S/N PCE-PH0218. CONTROL APPEARS TO BE FIRST RUN OVERHAUL, HOWEVER, WE ARE UNABLE TO OBTAIN TIME SINCE NEW. IGS WILL FORWARD THE BEARING TO HONEYWELL FOR REVIEW. NOTE: THIS IS THE 5TH OR 6TH BEARING WE HAVE SEEN FAIL IN THE PAST 6 MONTHS OR SO.