# SDR DALA2015013000789

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2015
- Submitted: January 30, 2015
- Operation: Air carrier
- Aircraft: [N351NW](https://openairdocs.org/aircraft/N351NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 766
- Aircraft time: 52,285 hours, 23,646 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- 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/DALA2015013000789

## Discrepancy

DURING INSPECTION, FOUND CORROSION ON LOWER SILL LOCATED BETWEEN FR 66 TO FR  68 AT LEVEL STR 23L AFT PAX CABIN. MEASURES L: 1.500", W: 1.250", D: 0.006", APPROXIMATELY, SSI 534147.  REPLACED LOWER SILL LOCATED BETWEEN FR 66 TO FR 68 AT LEVEL STR 23L AFT PAX CABIN IAW SRM 51-72-11 AND DWG D53470150, D53480505.

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