# SDR DALA1223903209

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2012
- Submitted: April 17, 2012
- Operation: Air carrier
- Aircraft: N309US
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 118
- Aircraft time: 6,296 hours, 2,844 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- 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/DALA1223903209

## Discrepancy

DURING CHECK, FOUND FWD UTILITY AREA FLOOR SUPPORT AT FR21  -Y189 UPPER SURFACE FLANGE HAS CORROSION.  REMOVED CORROSION IAW A320 SRM 51-74-00 CHECKED LIMITS L=1.5" W=1.0" D=.050".  FOUND TO BE OUT OF LIMITS IAW A320 SRM 53-11-14 101.  REMOVED & REPLACED -Y189 FLOOR SUPPORT BEAM IAW A320 SRM 51-42-11.

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