Service difficulty report · Clamp · Agusta AB139

Difficulty date
May 15, 2021
Submitted
May 17, 2021
Operation
Air carrier
Aircraft
N139FW
Make and model
Agusta AB139
Aircraft serial
31022
Aircraft time
7,774 hours, 15,665 cycles
Part
Clamp
Part number
3G6320A16651
Part serial
AVI0406
Condition
Worn
Location
T/R Gearbox
Part time
897 hours, 1,235 cycles
Component
Gearbox · Agusta
Component part number
3G6303P01011
Stage of operation
IN
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

CLAMPED ADAPTER P/N 3G6320A16551, S/N DAT197 AND ADAPTER CLAMPS P/N 3G6320A16651, S/N AVI 0406 WERE REMOVED FROM MGB 3G6320A00134, S/N V44 IN PREPARATION FOR SHIPMENT OF MGB IN FOR OVERHAUL. ADAPTER AND CLAMPS DISPLAY EVIDENCE OF SIGNIFICANT WEAR OF 0.010" ON MATTING SURFACES.

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