# SDR ASAA2017042720753

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2017
- Submitted: May 16, 2017
- Operation: Air carrier
- Aircraft: [N553AS](https://openairdocs.org/aircraft/N553AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 34594
- Aircraft time: 41,863 hours, 13,807 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Structure
- Part number: 147A85408
- Condition: Corroded
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017042720753

## Discrepancy

RIGHT HAND INNER CHORD HAS CORROSION FROM STA 943.5-STA 958. GROUNDED - YES. EVALUATED THE RIGHT-HAND INNER CHORD AT BS 973 - BS 958 FOR CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-70-51. REMOVED AND REPLACED INNER CHORD IAW SRM 51-40-02 AND DWG 147A8501 REV B SHEET 80.

---
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.