# SDR 2022F00495

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2022
- Submitted: December 7, 2022
- Operation: General aviation
- Aircraft: [N452MH](https://openairdocs.org/aircraft/N452MH), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9122
- Aircraft time: 7,801 hours, 35,104 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2022F00495

## Discrepancy

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).

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