# SDR MAC90501

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2005
- Submitted: September 12, 2005
- Operation: Air carrier
- Aircraft: [N909FX](https://openairdocs.org/aircraft/N909FX), registered now
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft serial: 275
- Aircraft time: 22,408 hours, 26,323 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: WASI02A
- Condition: Cracked
- Location: Fr 15
- 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/MAC90501

## Discrepancy

THE LONGITUDINAL FLOORBEAM BL 0 AT FRAME 15 CRACKED NEAR ATTACH POINT TO THE LATERAL FLOORBEAM.  CRACK WAS DISCOVERED DURING TROUBLESHOOTING ANOTHER UNRELATED PROBLEM.  REPAIR WAS ACCOMPLISHED PER EO 4225001-42-53-32.  THIS PART WAS INSTALLED BY STC ST01189W1.

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