# SDR DALA12009293271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2012
- Submitted: October 5, 2012
- Operation: Air carrier
- Aircraft: [N371NW](https://openairdocs.org/aircraft/N371NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 1535
- Aircraft time: 34,205 hours, 15,294 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: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA12009293271

## Discrepancy

DURING INSPECTION, FOUND AFT UTILITY -Y765 FLOOR SUPPORT HAS 4 LARGE AREAS OF EXFOLIATION BETWEEN FR66 AND 70.   BLENDED AREA IAW SRM 51-74-00, DIM OF BLENDOUT AREA,  ORIGINAL MAT. 0.157" L=1.25" W=1.1" D=0.065 FOUND TO BE OUT OF LIMITS IAW SRM 53-41-15, FIG 1.  REPLACED FLOOR SUPPORT BEAM -Y765 IAW SRM 51-42-11.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.