Service difficulty report · Control Lever · Piper PA31T1

Difficulty date
March 8, 2004
Submitted
May 11, 2004
Operation
Air carrier
Aircraft
N888AH
Make and model
Piper PA31T1
Aircraft serial
31T7904038
Engine
Pwa PT6A60A
Part
Control Lever
Part number
49664002
Condition
Cracked
Location
Fcu
Part time
4,270 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING RT ENGINE FUEL CONTROL UNIT (FCU) REPLACEMENT IT WAS DISCOVERED THE START/STOP CONTROL LEVER WAS FRACTURED AT THE FCU MOUNTING HOLE. THE BRACKET PN 49664002 WAS REPLACED. THE LT ENGINE BRACKET WAS REMOVED AND NDT INSPECTED AND REINSTALLED (NO DEFECTS NOTED). THIS IS THE SECOND OCCURRENCE OF THIS FRACTURE AT THIS REPAIR STATION SINCE JAN 15, 2004. MFG CONSIDER INSTALLING A SUPPORT GUSSET TO THE AFT AND/OR FWD SIDE OF THE BRACKET TO INCREASE FATIGUE LIFE. THE GUSSET WILL NOT INTERFERE WITH CONTROL CLEARANCE OR RIGGING.

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