# SDR DALA2016031201923

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2016
- Submitted: March 14, 2016
- 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: 44,654 hours, 20,304 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Frames 56-57
- 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/DALA2016031201923

## Discrepancy

CORROSION ON STRINGER 42L BETWEEN FRAMES 56 & 57.  DURING WIFI AFT ANTENNA INSTALL. MAJOR REPAIR.   REMOVED RIVETS ON STR 42 LT BETWEEN FS 56 & FS 57.  PERFORMED NDT NO CRACKS NOTED IAW NDT MANUAL 51-10-01, PBG PROC B.  FABRICATED REPAIR PARTS FOR STR 42L BETWEEN FS 55 AND FS 57 IAW SRM 53-00-13, FIG 201.

---
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.