# SDR SCNA2012051312003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2012
- Submitted: May 13, 2012
- Operation: Air carrier
- Aircraft: N806SY
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft serial: 28215
- Aircraft time: 47,480 hours, 17,584 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 141A550518
- 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/SCNA2012051312003

## Discrepancy

MAIN DECK FLOORBEAM UPPER CHORD HAS CORROSION AT CLIP NUT LOCATIONS BS 344 LBL 9 TO RBL 7.  REMOVED CORROSION, FOUND OUT OF LIMITS IAW B737-800 SRM 53-10-51 FIG 105.  FABRICATED FILLERS FROM 7075-T6 AND REPAIR ANGLES FROM EXTRUSION BAC1503-100135 AND FLAP PEENED MACHINED EDGES IAW B737-800 SRM 53-10-51 REPAIR 9.  INSTALLED REPAIR PARTS IAW B737-800 SRM 53-10-51 FIG 202.

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