# SDR DALA1218903120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2012
- Submitted: March 27, 2012
- Operation: Air carrier
- Aircraft: [N320NB](https://openairdocs.org/aircraft/N320NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1392
- Aircraft time: 5,046 hours, 2,965 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: D5311146020201
- 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/DALA1218903120

## Discrepancy

FORWARD MAIN CABIN FLOOR SUPPORT BEAM AT FR20  -Y254 HAS CORROSION. SSI 531189. N/R 220/21.  REMOVED CORROSION IAW A319 SRM 51-74-00.  ORIGINAL MATERIAL THICKNESS 079" AFTER REWORK L=2.0" W=.9" D=.029" FOUND TO BE OUT OF LIMIT IAW A319 SRM 53-00-14 FIG 102.  REMOVED FLOOR SUPPORT BEAM IAW A319 SRM 51-42-11.  RECEIVED NEW FLOOR SUPPORT.  LOCATED AND DRILLED NEW FLOOR SUPPORT BEAM IAW A319 SRM 51-44-12.  INSTALLED NEW FLOOR SUPPORT BEAM IAW A319 SRM 51-42-11.  RESTORED TOP COAT AT FASTENERS IAW A319 SRM 51-75-12.

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