# SDR FDEA201512073933

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2015
- Submitted: December 7, 2015
- Operation: Air carrier
- Aircraft: [N920FD](https://openairdocs.org/aircraft/N920FD), registered now
- Make and model: Boeing 757-23A
- Registry model: [Boeing 757-23A](https://openairdocs.org/model/boeing-757-23a) (OpenAirDocs)
- Aircraft serial: 24289
- Aircraft time: 74,159 hours, 25,810 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- 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/FDEA201512073933

## Discrepancy

REMOVAL OF DAMAGED CAPTIVE NUT FROM BS 750, STRINGER 21 LT, HAS REVEALED CORROSION DAMAGE TO STRINGER 21L IN THAT AREA CARRY OUT STRINGER REPAIR TO STRINGER 21L H, BS 750 IAW SRM 53-00-03-2R.

---
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.