Service difficulty report · Stabilizer · Agusta AW139

Difficulty date
November 19, 2025
Submitted
January 12, 2026
Operation
General aviation
Aircraft
N41395
Make and model
Agusta AW139
Aircraft serial
9YTKB
Aircraft time
8,312 hours, 18,358 cycles
Engine
Pwc PT6C67C
Part
Stabilizer
Part number
3G5510A05432
Part serial
PLY044
Condition
Cracked
Location
Leading Edge
Part time
8,312 hours, 18,358 cycles
Stage of operation
TX
How discovered
O
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 A VISUAL INSPECTION OF 9Y-TKB AFTER FLIGHT THE LINE SUPERVISORS DISCOVERED THE CRACK ON THE TAILPLANE ASSEMBLY LEFT LEADING EDGE LOWER PANEL. LOCATION OF CRACK IS ESTIMATED TO BE STA 12370 AND BL (-940 THRU -718). A LOGBOOK ENTRY (LBE 206/25) WAS RAISED TO RECORD THIS DEFECT. OEM WAS ENGAGED VIA PSE/TQ/2025/220653 ON 19TH NOVEMBER 2025. REPLACEMENT OF TAILPLANE ASSEMBLY WAS CARRIED OUT ON THE RESPECTIVE LOGBOOK ENTRY (LBE 206/25). THE AFFECTED TAILPLANE LEFT LEADING EDGE (P/N 3G5510A05731M01) WAS REPLACED.

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