# SDR DALA2015042903004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2015
- Submitted: April 30, 2015
- Operation: Air carrier
- Aircraft: [N355NW](https://openairdocs.org/aircraft/N355NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 807
- Aircraft time: 51,866 hours, 23,360 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Structure
- Condition: Corroded
- Location: Frames 66-68
- 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/DALA2015042903004

## Discrepancy

CORROSION ON LOWER SILL LOCATED BETWEEN FRAME 66 TO FRAME 68 AT STR. 23L AT AFT GALLEY AREA,  L=1", W=0.500", D=0.003".  REPLACED LOWER SILL LEFT SIDE LOCATED BETWEEN FRAME 66 TO FRAME 68 AT LEVEL STR 23L AT AFT GALLEY AREA IAW STEP 51-72-11 AND DWG D53480505.   MEASURES AFTER REWORK ARE L=1.747", W=1.043", D=0.048".

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