# SDR ASAA2015111614224

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2015
- Submitted: December 14, 2015
- Operation: Air carrier
- Aircraft: [N705AS](https://openairdocs.org/aircraft/N705AS), registered now
- Make and model: Boeing 737490
- Aircraft serial: 29318
- Aircraft time: 54,169 hours, 30,726 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 65C339503
- Condition: Corroded
- Location: Bs 986
- 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/ASAA2015111614224

## Discrepancy

BS 986 FLOORBEAM UPPER HORIZONTAL FLANGE HAS NUMEROUS AREAS OF CORROSION.  ACFT GROUNDED.  BLENDED CORROSION ON 986 FLOORBEAM UPPER CHORD, OUT OF LIMITS, REPAIRED UPPER CHORD IAW EA 400 53EA 16236, SRM 53-60-51-1A-1.

---
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.