# SDR 2010FA0000703

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2010
- Submitted: July 7, 2010
- Operation: General aviation
- Aircraft: [N807FX](https://openairdocs.org/aircraft/N807FX), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 383
- Aircraft time: 32,571 hours, 36,790 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crease Beam
- Part number: S53575110201
- Condition: Corroded
- Location: Fuselage
- 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/2010FA0000703

## Discrepancy

PITTING CORROSION ON RT CREASE BEAM WEB FRAME 23-23A. LEVEL II CORROSION.  REMOVED 4 EA FASTENERS TO ALLOW FOR CORROSION REMOVAL IAW ATR 72 SRM 51-25-01 AND 51-25-04 REV 77.  REMOVED CORROSION FROM CREASE BEAM WEB AS MARKED IAW ATR 72 SRM 51-21-42 REV 77.  MEASURED AFFECTED AREA MIN MATERIAL REMAINING .038" REF ATR NTM 51-40-00 REV 34. MATERIAL LOSS FOUND TO BE OUT OF LIMITS IAW ATR 72 SRM 53-51-50 FIG 101 ITEM 1 AND 53-51-00 FIG 301 REV 77.  REMOVED CREASE BEAM WEB FR 23-23A IAW ATR 72 SRM 51-25-01 AND 51-25-04 REV 77.  MATCH DRILLED NEW WEB AND INSTALLED STIFFENER ONTO WEB IAW ATR 72 SRM 51-25-01 REV 77. OK TO INSTALL.  INSTALLED CREASE BEAM WEB IAW ATR 72 SRM 51-25-01 AND 51-25-04 REV 77.

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