# SDR 2007FA0000570

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2007
- Submitted: July 5, 2007
- Operation: General aviation
- Aircraft: N905CW
- Make and model: Cessna 550
- Registry model: [Cessna 550](https://openairdocs.org/model/cessna-550) (OpenAirDocs)
- Aircraft serial: 5500072
- Engine: Pwa JT15D4
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 5511118200
- Condition: Damaged
- Location: Fuselage
- Part time: 9,359 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007FA0000570

## Discrepancy

FUSELAGE FRAME WEB DAMAGED BY DRILL BIT FROM THE BEND RADIUS OF THE OUTER (SKIN) FLANGE.  REPLACEMENT REQUIRED SRM, CHAPTER 53-12-27.  PROBABLE CAUSE:  INCORRECTLY DRILLED AT AIRCRAFT MFG.  (K)

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