SDR 2022F00495

Service difficulty report · Frame Angle · Bolkms BK117C2

Difficulty date: December 7, 2022
Submitted: December 7, 2022
Operation: General aviation
Aircraft: N452MH
Make and model: Bolkms BK117C2
Aircraft serial: 9122
Aircraft time: 7,801 hours, 35,104 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame Angle
Part number: B533K5140203
Condition: Cracked
Location: Bs 4015
Part time: 7,801 hours, 35,104 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

ON SCHEDULED AIRFRAME INSPECTION, FOUND CRACKS IN FWD RH BOX BEAM STA4015 WEB (P/N: B533K5141-203), STA4135 WEB (P/N: 533K5141-201), STA4015 CAP EXTRUSION (P/N: B533K5140-203), STA 4135 EXTRUSION CAP (P/N: B533K5140-203) AND THE INNER SKIN PANEL (P/N: B533K5605-211).