Service difficulty report · Tail Boom · Agusta AW139

Difficulty date
December 19, 2025
Submitted
December 19, 2025
Operation
Air carrier
Aircraft
N739BG
Make and model
Agusta AW139
Aircraft serial
41350
Aircraft time
4,314 hours, 6,054 cycles
Engine
Pwc PT6C67C
Engine time
4,314 hours, 3,034 cycles
Part
Tail Boom
Part number
3G5350A00135
Part serial
PZL003
Condition
Corroded
Location
Zone 300
Part time
9,036 hours, 6,054 cycles
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

THIS AIRCRAFT HAS BEEN GROUNDED AT OUR REPAIR STATION ON VP-000639-2024 SINCE THE DATE OF DISCOVERY. THE REPAIR IS AS FOLLOWS; REPLACE LT SIDE PANEL, P/N 3G5350A07431C1 AND STA 8700 BULKHEAD FRAME, P/N 3G5306P14811 ON TAILBOOM P/N 3G5350A00135 S/N PZL003 TAILBOOM TT 9036.5. IAW PSE/TQ/2025/181854.

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