# SDR DALA2017021501326

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2017
- Submitted: February 17, 2017
- Operation: Air carrier
- Aircraft: [N658DL](https://openairdocs.org/aircraft/N658DL), registered now
- Make and model: Boeing 757232
- Aircraft serial: 24420
- Aircraft time: 81,885 hours, 37,526 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Condition: Corroded
- Location: Bs 1661
- 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/DALA2017021501326

## Discrepancy

L4 DOOR CUTOUT LOWER SILL BS 1661+11" THRESHOLD SUPPORT CHANNEL CORRODED.    REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS.  REMOVED THRESHOLD SUPPORT CHANNEL IAW  SRM.   LOCATED, DRILLED AND INSTALLED A NEW THRESHOLD SUPPORT CHANNEL IAW SRM.

---
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.