# SDR DALA12015103210

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2012
- Submitted: December 6, 2012
- Operation: Air carrier
- Aircraft: [N310NW](https://openairdocs.org/aircraft/N310NW), registered now
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 121
- Aircraft time: 68,007 hours, 30,286 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Cabin
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA12015103210

## Discrepancy

DURING INSPECTION, FOUND FORWARD CABIN FLOOR SUPPORT BETWEEN FR 18 TO FR 21 Y254 UPPER FLANGE HAS CORROSION & SCRIBE LINE AS MARKED. REMOVED CORROSION IAW SRM 51-74-00, DIM L=2.7" W= 1.5" D=  .045" ORIG MAT .079" FOUND TO BE OUT OF LIMITS IAW SRM 53-11-14, FIG 105.  REPLACED Y254 FLOOR SUPPORT FR 12-24, PN D5311281820401 IAW SRM 51-42-11.

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